diff --git a/core/assets/vendor/classList/README.md b/core/assets/vendor/classList/README.md
index dd7359c..0ec9520 100644
--- a/core/assets/vendor/classList/README.md
+++ b/core/assets/vendor/classList/README.md
@@ -1,7 +1,18 @@
 classList.js is a cross-browser JavaScript shim that fully implements `element.classList`. Refer to [the MDN page on `element.classList`][1] for more information.
 
+This works in every browser except IE 7 or earlier.
 
-![Tracking image](https://in.getclicky.com/212712ns.gif)
+An older version is hosted at public CDNs, allowing you to use this already small file at nearly zero size overhead. Use one of these URLs:
+
+  - [//cdnjs.cloudflare.com/ajax/libs/classlist/2014.01.31/classList.min.js](//cdnjs.cloudflare.com/ajax/libs/classlist/2014.01.31/classList.min.js)
+  - [//cdn.jsdelivr.net/classlist/2014.01.31/classList.min.js](//cdn.jsdelivr.net/classlist/2014.01.31/classList.min.js)
 
+If you would like other versions (such as the current one) hosted there, follow the instructions at
+https://github.com/jsdelivr/jsdelivr
+and
+https://github.com/cdnjs/cdnjs
+to prepare a pull request.
+
+![Tracking image](https://in.getclicky.com/212712ns.gif)
 
   [1]: https://developer.mozilla.org/en/DOM/element.classList "MDN / DOM / element.classList"
diff --git a/core/assets/vendor/classList/classList.js b/core/assets/vendor/classList/classList.js
index 1faaec8..5b3e338 100644
--- a/core/assets/vendor/classList/classList.js
+++ b/core/assets/vendor/classList/classList.js
@@ -1,6 +1,6 @@
 /*
  * classList.js: Cross-browser full element.classList implementation.
- * 2012-11-15
+ * 2014-07-23
  *
  * By Eli Grey, http://eligrey.com
  * Public Domain.
@@ -11,169 +11,227 @@
 
 /*! @source http://purl.eligrey.com/github/classList.js/blob/master/classList.js*/
 
-if ("document" in self && !(
-		"classList" in document.createElement("_") &&
-		"classList" in document.createElementNS("http://www.w3.org/2000/svg", "svg")
-	)) {
-
-(function (view) {
-
-"use strict";
-
-if (!('Element' in view)) return;
-
-var
-	  classListProp = "classList"
-	, protoProp = "prototype"
-	, elemCtrProto = view.Element[protoProp]
-	, objCtr = Object
-	, strTrim = String[protoProp].trim || function () {
-		return this.replace(/^\s+|\s+$/g, "");
-	}
-	, arrIndexOf = Array[protoProp].indexOf || function (item) {
-		var
-			  i = 0
-			, len = this.length
-		;
-		for (; i < len; i++) {
-			if (i in this && this[i] === item) {
-				return i;
-			}
-		}
-		return -1;
-	}
-	// Vendors: please allow content code to instantiate DOMExceptions
-	, DOMEx = function (type, message) {
-		this.name = type;
-		this.code = DOMException[type];
-		this.message = message;
-	}
-	, checkTokenAndGetIndex = function (classList, token) {
-		if (token === "") {
-			throw new DOMEx(
-				  "SYNTAX_ERR"
-				, "An invalid or illegal string was specified"
-			);
-		}
-		if (/\s/.test(token)) {
-			throw new DOMEx(
-				  "INVALID_CHARACTER_ERR"
-				, "String contains an invalid character"
-			);
-		}
-		return arrIndexOf.call(classList, token);
-	}
-	, ClassList = function (elem) {
-		var
-			  trimmedClasses = strTrim.call(elem.getAttribute("class") || "")
-			, classes = trimmedClasses ? trimmedClasses.split(/\s+/) : []
-			, i = 0
-			, len = classes.length
-		;
-		for (; i < len; i++) {
-			this.push(classes[i]);
-		}
-		this._updateClassName = function () {
-			elem.setAttribute("class", this.toString());
-		};
-	}
-	, classListProto = ClassList[protoProp] = []
-	, classListGetter = function () {
-		return new ClassList(this);
-	}
-;
+if ("document" in self) {
+
+// Full polyfill for browsers with no classList support
+  if (!("classList" in document.createElement("_"))) {
+
+    (function (view) {
+
+      "use strict";
+
+      if (!('Element' in view)) return;
+
+      var
+        classListProp = "classList"
+        , protoProp = "prototype"
+        , elemCtrProto = view.Element[protoProp]
+        , objCtr = Object
+        , strTrim = String[protoProp].trim || function () {
+          return this.replace(/^\s+|\s+$/g, "");
+        }
+        , arrIndexOf = Array[protoProp].indexOf || function (item) {
+          var
+            i = 0
+            , len = this.length
+            ;
+          for (; i < len; i++) {
+            if (i in this && this[i] === item) {
+              return i;
+            }
+          }
+          return -1;
+        }
+      // Vendors: please allow content code to instantiate DOMExceptions
+        , DOMEx = function (type, message) {
+          this.name = type;
+          this.code = DOMException[type];
+          this.message = message;
+        }
+        , checkTokenAndGetIndex = function (classList, token) {
+          if (token === "") {
+            throw new DOMEx(
+              "SYNTAX_ERR"
+              , "An invalid or illegal string was specified"
+            );
+          }
+          if (/\s/.test(token)) {
+            throw new DOMEx(
+              "INVALID_CHARACTER_ERR"
+              , "String contains an invalid character"
+            );
+          }
+          return arrIndexOf.call(classList, token);
+        }
+        , ClassList = function (elem) {
+          var
+            trimmedClasses = strTrim.call(elem.getAttribute("class") || "")
+            , classes = trimmedClasses ? trimmedClasses.split(/\s+/) : []
+            , i = 0
+            , len = classes.length
+            ;
+          for (; i < len; i++) {
+            this.push(classes[i]);
+          }
+          this._updateClassName = function () {
+            elem.setAttribute("class", this.toString());
+          };
+        }
+        , classListProto = ClassList[protoProp] = []
+        , classListGetter = function () {
+          return new ClassList(this);
+        }
+        ;
 // Most DOMException implementations don't allow calling DOMException's toString()
 // on non-DOMExceptions. Error's toString() is sufficient here.
-DOMEx[protoProp] = Error[protoProp];
-classListProto.item = function (i) {
-	return this[i] || null;
-};
-classListProto.contains = function (token) {
-	token += "";
-	return checkTokenAndGetIndex(this, token) !== -1;
-};
-classListProto.add = function () {
-	var
-		  tokens = arguments
-		, i = 0
-		, l = tokens.length
-		, token
-		, updated = false
-	;
-	do {
-		token = tokens[i] + "";
-		if (checkTokenAndGetIndex(this, token) === -1) {
-			this.push(token);
-			updated = true;
-		}
-	}
-	while (++i < l);
-
-	if (updated) {
-		this._updateClassName();
-	}
-};
-classListProto.remove = function () {
-	var
-		  tokens = arguments
-		, i = 0
-		, l = tokens.length
-		, token
-		, updated = false
-	;
-	do {
-		token = tokens[i] + "";
-		var index = checkTokenAndGetIndex(this, token);
-		if (index !== -1) {
-			this.splice(index, 1);
-			updated = true;
-		}
-	}
-	while (++i < l);
-
-	if (updated) {
-		this._updateClassName();
-	}
-};
-classListProto.toggle = function (token, forse) {
-	token += "";
-
-	var
-		  result = this.contains(token)
-		, method = result ?
-			forse !== true && "remove"
-		:
-			forse !== false && "add"
-	;
-
-	if (method) {
-		this[method](token);
-	}
-
-	return !result;
-};
-classListProto.toString = function () {
-	return this.join(" ");
-};
-
-if (objCtr.defineProperty) {
-	var classListPropDesc = {
-		  get: classListGetter
-		, enumerable: true
-		, configurable: true
-	};
-	try {
-		objCtr.defineProperty(elemCtrProto, classListProp, classListPropDesc);
-	} catch (ex) { // IE 8 doesn't support enumerable:true
-		if (ex.number === -0x7FF5EC54) {
-			classListPropDesc.enumerable = false;
-			objCtr.defineProperty(elemCtrProto, classListProp, classListPropDesc);
-		}
-	}
-} else if (objCtr[protoProp].__defineGetter__) {
-	elemCtrProto.__defineGetter__(classListProp, classListGetter);
-}
+      DOMEx[protoProp] = Error[protoProp];
+      classListProto.item = function (i) {
+        return this[i] || null;
+      };
+      classListProto.contains = function (token) {
+        token += "";
+        return checkTokenAndGetIndex(this, token) !== -1;
+      };
+      classListProto.add = function () {
+        var
+          tokens = arguments
+          , i = 0
+          , l = tokens.length
+          , token
+          , updated = false
+          ;
+        do {
+          token = tokens[i] + "";
+          if (checkTokenAndGetIndex(this, token) === -1) {
+            this.push(token);
+            updated = true;
+          }
+        }
+        while (++i < l);
+
+        if (updated) {
+          this._updateClassName();
+        }
+      };
+      classListProto.remove = function () {
+        var
+          tokens = arguments
+          , i = 0
+          , l = tokens.length
+          , token
+          , updated = false
+          , index
+          ;
+        do {
+          token = tokens[i] + "";
+          index = checkTokenAndGetIndex(this, token);
+          while (index !== -1) {
+            this.splice(index, 1);
+            updated = true;
+            index = checkTokenAndGetIndex(this, token);
+          }
+        }
+        while (++i < l);
+
+        if (updated) {
+          this._updateClassName();
+        }
+      };
+      classListProto.toggle = function (token, force) {
+        token += "";
+
+        var
+          result = this.contains(token)
+          , method = result ?
+            force !== true && "remove"
+            :
+            force !== false && "add"
+          ;
+
+        if (method) {
+          this[method](token);
+        }
+
+        if (force === true || force === false) {
+          return force;
+        } else {
+          return !result;
+        }
+      };
+      classListProto.toString = function () {
+        return this.join(" ");
+      };
+
+      if (objCtr.defineProperty) {
+        var classListPropDesc = {
+          get: classListGetter
+          , enumerable: true
+          , configurable: true
+        };
+        try {
+          objCtr.defineProperty(elemCtrProto, classListProp, classListPropDesc);
+        } catch (ex) { // IE 8 doesn't support enumerable:true
+          if (ex.number === -0x7FF5EC54) {
+            classListPropDesc.enumerable = false;
+            objCtr.defineProperty(elemCtrProto, classListProp, classListPropDesc);
+          }
+        }
+      } else if (objCtr[protoProp].__defineGetter__) {
+        elemCtrProto.__defineGetter__(classListProp, classListGetter);
+      }
+
+    }(self));
+
+  } else {
+// There is full or partial native classList support, so just check if we need
+// to normalize the add/remove and toggle APIs.
+
+    (function () {
+      "use strict";
+
+      var testElement = document.createElement("_");
+
+      testElement.classList.add("c1", "c2");
+
+      // Polyfill for IE 10/11 and Firefox <26, where classList.add and
+      // classList.remove exist but support only one argument at a time.
+      if (!testElement.classList.contains("c2")) {
+        var createMethod = function(method) {
+          var original = DOMTokenList.prototype[method];
+
+          DOMTokenList.prototype[method] = function(token) {
+            var i, len = arguments.length;
+
+            for (i = 0; i < len; i++) {
+              token = arguments[i];
+              original.call(this, token);
+            }
+          };
+        };
+        createMethod('add');
+        createMethod('remove');
+      }
+
+      testElement.classList.toggle("c3", false);
+
+      // Polyfill for IE 10 and Firefox <24, where classList.toggle does not
+      // support the second argument.
+      if (testElement.classList.contains("c3")) {
+        var _toggle = DOMTokenList.prototype.toggle;
+
+        DOMTokenList.prototype.toggle = function(token, force) {
+          if (1 in arguments && !this.contains(token) === !force) {
+            return force;
+          } else {
+            return _toggle.call(this, token);
+          }
+        };
+
+      }
+
+      testElement = null;
+    }());
 
-}(self));
+  }
 
 }
diff --git a/core/assets/vendor/classList/classList.min.js b/core/assets/vendor/classList/classList.min.js
index fa98825..f10e7f7 100644
--- a/core/assets/vendor/classList/classList.min.js
+++ b/core/assets/vendor/classList/classList.min.js
@@ -1,2 +1,2 @@
 /*! @source http://purl.eligrey.com/github/classList.js/blob/master/classList.js*/
-if("document" in self&&!("classList" in document.createElement("_")&&"classList" in document.createElementNS("http://www.w3.org/2000/svg","svg"))){(function(j){"use strict";if(!("Element" in j)){return}var a="classList",f="prototype",m=j.Element[f],b=Object,k=String[f].trim||function(){return this.replace(/^\s+|\s+$/g,"")},c=Array[f].indexOf||function(q){var p=0,o=this.length;for(;p<o;p++){if(p in this&&this[p]===q){return p}}return -1},n=function(o,p){this.name=o;this.code=DOMException[o];this.message=p},g=function(p,o){if(o===""){throw new n("SYNTAX_ERR","An invalid or illegal string was specified")}if(/\s/.test(o)){throw new n("INVALID_CHARACTER_ERR","String contains an invalid character")}return c.call(p,o)},d=function(s){var r=k.call(s.getAttribute("class")),q=r?r.split(/\s+/):[],p=0,o=q.length;for(;p<o;p++){this.push(q[p])}this._updateClassName=function(){s.setAttribute("class",this.toString())}},e=d[f]=[],i=function(){return new d(this)};n[f]=Error[f];e.item=function(o){return this[o]||null};e.contains=function(o){o+="";return g(this,o)!==-1};e.add=function(){var s=arguments,r=0,p=s.length,q,o=false;do{q=s[r]+"";if(g(this,q)===-1){this.push(q);o=true}}while(++r<p);if(o){this._updateClassName()}};e.remove=function(){var t=arguments,s=0,p=t.length,r,o=false;do{r=t[s]+"";var q=g(this,r);if(q!==-1){this.splice(q,1);o=true}}while(++s<p);if(o){this._updateClassName()}};e.toggle=function(p,q){p+="";var o=this.contains(p),r=o?q!==true&&"remove":q!==false&&"add";if(r){this[r](p)}return !o};e.toString=function(){return this.join(" ")};if(b.defineProperty){var l={get:i,enumerable:true,configurable:true};try{b.defineProperty(m,a,l)}catch(h){if(h.number===-2146823252){l.enumerable=false;b.defineProperty(m,a,l)}}}else{if(b[f].__defineGetter__){m.__defineGetter__(a,i)}}}(self))};
+;if("document" in self&&!("classList" in document.createElement("_"))){(function(j){"use strict";if(!("Element" in j)){return}var a="classList",f="prototype",m=j.Element[f],b=Object,k=String[f].trim||function(){return this.replace(/^\s+|\s+$/g,"")},c=Array[f].indexOf||function(q){var p=0,o=this.length;for(;p<o;p++){if(p in this&&this[p]===q){return p}}return -1},n=function(o,p){this.name=o;this.code=DOMException[o];this.message=p},g=function(p,o){if(o===""){throw new n("SYNTAX_ERR","An invalid or illegal string was specified")}if(/\s/.test(o)){throw new n("INVALID_CHARACTER_ERR","String contains an invalid character")}return c.call(p,o)},d=function(s){var r=k.call(s.getAttribute("class")||""),q=r?r.split(/\s+/):[],p=0,o=q.length;for(;p<o;p++){this.push(q[p])}this._updateClassName=function(){s.setAttribute("class",this.toString())}},e=d[f]=[],i=function(){return new d(this)};n[f]=Error[f];e.item=function(o){return this[o]||null};e.contains=function(o){o+="";return g(this,o)!==-1};e.add=function(){var s=arguments,r=0,p=s.length,q,o=false;do{q=s[r]+"";if(g(this,q)===-1){this.push(q);o=true}}while(++r<p);if(o){this._updateClassName()}};e.remove=function(){var t=arguments,s=0,p=t.length,r,o=false;do{r=t[s]+"";var q=g(this,r);if(q!==-1){this.splice(q,1);o=true}}while(++s<p);if(o){this._updateClassName()}};e.toggle=function(p,q){p+="";var o=this.contains(p),r=o?q!==true&&"remove":q!==false&&"add";if(r){this[r](p)}return !o};e.toString=function(){return this.join(" ")};if(b.defineProperty){var l={get:i,enumerable:true,configurable:true};try{b.defineProperty(m,a,l)}catch(h){if(h.number===-2146823252){l.enumerable=false;b.defineProperty(m,a,l)}}}else{if(b[f].__defineGetter__){m.__defineGetter__(a,i)}}}(self))};