diff --git a/composer.lock b/composer.lock
index d9fa2a1..a4b8f8e 100644
--- a/composer.lock
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@@ -1735,7 +1643,7 @@
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@@ -2210,52 +2003,51 @@
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@@ -2282,29 +2074,29 @@
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@@ -2331,7 +2123,7 @@
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@@ -2714,24 +2506,24 @@
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+                "reference": "10e67fb4a295efcd62ea0bf16025a85ea19534fb",
                 "shasum": ""
             },
             "require": {
-                "behat/mink": "~1.7@dev",
+                "behat/mink": "^1.7.1@dev",
                 "php": ">=5.3.6",
-                "symfony/browser-kit": "~2.3",
-                "symfony/dom-crawler": "~2.3"
+                "symfony/browser-kit": "~2.3|~3.0",
+                "symfony/dom-crawler": "~2.3|~3.0"
             },
             "require-dev": {
                 "silex/silex": "~1.2",
-                "symfony/phpunit-bridge": "~2.7"
+                "symfony/phpunit-bridge": "~2.7|~3.0"
             },
             "type": "mink-driver",
             "extra": {
@@ -2824,20 +2616,20 @@
                 "browser",
                 "testing"
             ],
-            "time": "2015-09-21 20:56:13"
+            "time": "2016-03-05 08:59:47"
         },
         {
             "name": "behat/mink-goutte-driver",
-            "version": "v1.2.0",
+            "version": "v1.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/minkphp/MinkGoutteDriver.git",
-                "reference": "c8e254f127d6f2242b994afd4339fb62d471df3f"
+                "reference": "8b9ad6d2d95bc70b840d15323365f52fcdaea6ca"
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-                "url": "https://api.github.com/repos/minkphp/MinkGoutteDriver/zipball/c8e254f127d6f2242b994afd4339fb62d471df3f",
-                "reference": "c8e254f127d6f2242b994afd4339fb62d471df3f",
+                "url": "https://api.github.com/repos/minkphp/MinkGoutteDriver/zipball/8b9ad6d2d95bc70b840d15323365f52fcdaea6ca",
+                "reference": "8b9ad6d2d95bc70b840d15323365f52fcdaea6ca",
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             "require": {
@@ -2847,7 +2639,7 @@
                 "php": ">=5.3.1"
             },
             "require-dev": {
-                "symfony/phpunit-bridge": "~2.7"
+                "symfony/phpunit-bridge": "~2.7|~3.0"
             },
             "type": "mink-driver",
             "extra": {
@@ -2879,7 +2671,7 @@
                 "headless",
                 "testing"
             ],
-            "time": "2015-09-21 21:31:11"
+            "time": "2016-03-05 09:04:22"
         },
         {
             "name": "doctrine/instantiator",
@@ -2937,24 +2729,24 @@
         },
         {
             "name": "fabpot/goutte",
-            "version": "v3.1.1",
+            "version": "v3.1.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/FriendsOfPHP/Goutte.git",
-                "reference": "751a3dc5c4d86ec3e97c9f27133ef9694d9243cc"
+                "reference": "3cbc6ed222422a28400e470050f14928a153207e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/FriendsOfPHP/Goutte/zipball/751a3dc5c4d86ec3e97c9f27133ef9694d9243cc",
-                "reference": "751a3dc5c4d86ec3e97c9f27133ef9694d9243cc",
+                "url": "https://api.github.com/repos/FriendsOfPHP/Goutte/zipball/3cbc6ed222422a28400e470050f14928a153207e",
+                "reference": "3cbc6ed222422a28400e470050f14928a153207e",
                 "shasum": ""
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             "require": {
                 "guzzlehttp/guzzle": "^6.0",
                 "php": ">=5.5.0",
-                "symfony/browser-kit": "~2.1",
-                "symfony/css-selector": "~2.1",
-                "symfony/dom-crawler": "~2.1"
+                "symfony/browser-kit": "~2.1|~3.0",
+                "symfony/css-selector": "~2.1|~3.0",
+                "symfony/dom-crawler": "~2.1|~3.0"
             },
             "type": "application",
             "extra": {
@@ -2982,7 +2774,49 @@
             "keywords": [
                 "scraper"
             ],
-            "time": "2015-08-29 16:16:56"
+            "time": "2015-11-05 12:58:44"
+        },
+        {
+            "name": "ircmaxell/password-compat",
+            "version": "v1.0.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/ircmaxell/password_compat.git",
+                "reference": "5c5cde8822a69545767f7c7f3058cb15ff84614c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/ircmaxell/password_compat/zipball/5c5cde8822a69545767f7c7f3058cb15ff84614c",
+                "reference": "5c5cde8822a69545767f7c7f3058cb15ff84614c",
+                "shasum": ""
+            },
+            "require-dev": {
+                "phpunit/phpunit": "4.*"
+            },
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "lib/password.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Anthony Ferrara",
+                    "email": "ircmaxell@php.net",
+                    "homepage": "http://blog.ircmaxell.com"
+                }
+            ],
+            "description": "A compatibility library for the proposed simplified password hashing algorithm: https://wiki.php.net/rfc/password_hash",
+            "homepage": "https://github.com/ircmaxell/password_compat",
+            "keywords": [
+                "hashing",
+                "password"
+            ],
+            "time": "2014-11-20 16:49:30"
         },
         {
             "name": "jcalderonzumba/gastonjs",
@@ -3998,25 +3832,25 @@
         },
         {
             "name": "symfony/browser-kit",
-            "version": "v2.7.6",
+            "version": "v3.0.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/browser-kit.git",
-                "reference": "07d664a052572ccc28eb2ab7dbbe82155b1ad367"
+                "reference": "e07127ac31230b30887c2dddf3708d883d239b14"
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             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/browser-kit/zipball/07d664a052572ccc28eb2ab7dbbe82155b1ad367",
-                "reference": "07d664a052572ccc28eb2ab7dbbe82155b1ad367",
+                "url": "https://api.github.com/repos/symfony/browser-kit/zipball/e07127ac31230b30887c2dddf3708d883d239b14",
+                "reference": "e07127ac31230b30887c2dddf3708d883d239b14",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.9",
-                "symfony/dom-crawler": "~2.0,>=2.0.5"
+                "php": ">=5.5.9",
+                "symfony/dom-crawler": "~2.8|~3.0"
             },
             "require-dev": {
-                "symfony/css-selector": "~2.0,>=2.0.5",
-                "symfony/process": "~2.3.34|~2.7,>=2.7.6"
+                "symfony/css-selector": "~2.8|~3.0",
+                "symfony/process": "~2.8|~3.0"
             },
             "suggest": {
                 "symfony/process": ""
@@ -4024,13 +3858,16 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.7-dev"
+                    "dev-master": "3.0-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
                     "Symfony\\Component\\BrowserKit\\": ""
-                }
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -4048,29 +3885,29 @@
             ],
             "description": "Symfony BrowserKit Component",
             "homepage": "https://symfony.com",
-            "time": "2015-10-23 14:47:27"
+            "time": "2016-03-04 07:55:57"
         },
         {
             "name": "symfony/css-selector",
-            "version": "v2.8.4",
+            "version": "v3.0.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/css-selector.git",
-                "reference": "07b7ced3ae0c12918477c095453ea8595000810e"
+                "reference": "65e764f404685f2dc20c057e889b3ad04b2e2db0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/css-selector/zipball/07b7ced3ae0c12918477c095453ea8595000810e",
-                "reference": "07b7ced3ae0c12918477c095453ea8595000810e",
+                "url": "https://api.github.com/repos/symfony/css-selector/zipball/65e764f404685f2dc20c057e889b3ad04b2e2db0",
+                "reference": "65e764f404685f2dc20c057e889b3ad04b2e2db0",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.9"
+                "php": ">=5.5.9"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.8-dev"
+                    "dev-master": "3.0-dev"
                 }
             },
             "autoload": {
@@ -4101,27 +3938,28 @@
             ],
             "description": "Symfony CssSelector Component",
             "homepage": "https://symfony.com",
-            "time": "2016-03-04 07:54:35"
+            "time": "2016-03-04 07:55:57"
         },
         {
             "name": "symfony/dom-crawler",
-            "version": "v2.7.6",
+            "version": "v3.0.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/dom-crawler.git",
-                "reference": "5fef7d8b80d8f9992df99d8ee283f420484c9612"
+                "reference": "18a06d7a9af41718c20764a674a0ebba3bc40d1f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/dom-crawler/zipball/5fef7d8b80d8f9992df99d8ee283f420484c9612",
-                "reference": "5fef7d8b80d8f9992df99d8ee283f420484c9612",
+                "url": "https://api.github.com/repos/symfony/dom-crawler/zipball/18a06d7a9af41718c20764a674a0ebba3bc40d1f",
+                "reference": "18a06d7a9af41718c20764a674a0ebba3bc40d1f",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.9"
+                "php": ">=5.5.9",
+                "symfony/polyfill-mbstring": "~1.0"
             },
             "require-dev": {
-                "symfony/css-selector": "~2.3"
+                "symfony/css-selector": "~2.8|~3.0"
             },
             "suggest": {
                 "symfony/css-selector": ""
@@ -4129,13 +3967,16 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.7-dev"
+                    "dev-master": "3.0-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
                     "Symfony\\Component\\DomCrawler\\": ""
-                }
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -4153,12 +3994,14 @@
             ],
             "description": "Symfony DomCrawler Component",
             "homepage": "https://symfony.com",
-            "time": "2015-10-11 09:39:48"
+            "time": "2016-03-23 13:23:25"
         }
     ],
     "aliases": [],
     "minimum-stability": "dev",
-    "stability-flags": [],
+    "stability-flags": {
+        "stack/builder": 20
+    },
     "prefer-stable": true,
     "prefer-lowest": false,
     "platform": {
diff --git a/core/composer.json b/core/composer.json
index ad85425..879887f 100644
--- a/core/composer.json
+++ b/core/composer.json
@@ -5,27 +5,27 @@
     "license": "GPL-2.0+",
     "require": {
         "php": ">=5.5.9",
-        "symfony/class-loader": "~2.8",
-        "symfony/console": "~2.8",
-        "symfony/dependency-injection": "~2.8",
-        "symfony/event-dispatcher": "~2.8",
-        "symfony/http-foundation": "~2.8",
-        "symfony/http-kernel": "~2.8",
-        "symfony/routing": "~2.8",
-        "symfony/serializer": "~2.8",
-        "symfony/translation": "~2.8",
-        "symfony/validator": "~2.8",
-        "symfony/process": "~2.8",
+        "symfony/class-loader": "~3.0",
+        "symfony/console": "~3.0",
+        "symfony/dependency-injection": "~3.0",
+        "symfony/event-dispatcher": "~3.0",
+        "symfony/http-foundation": "~3.0",
+        "symfony/http-kernel": "~3.0",
+        "symfony/routing": "~3.0",
+        "symfony/serializer": "~3.0",
+        "symfony/translation": "~3.0",
+        "symfony/validator": "~3.0",
+        "symfony/process": "~3.0",
         "symfony/polyfill-iconv": "~1.0",
-        "symfony/yaml": "~2.8",
+        "symfony/yaml": "~3.0",
         "twig/twig": "^1.23.1",
         "doctrine/common": "2.5.*",
         "doctrine/annotations": "1.2.*",
         "guzzlehttp/guzzle": "~6.1",
-        "symfony-cmf/routing": "1.3.*",
+        "symfony-cmf/routing": "~1.4",
         "easyrdf/easyrdf": "0.9.*",
         "zendframework/zend-feed": "~2.4",
-        "stack/builder": "1.0.*",
+        "stack/builder": "dev-master",
         "egulias/email-validator": "1.2.*",
         "masterminds/html5": "~2.1",
         "symfony/psr-http-message-bridge": "v0.2",
@@ -34,13 +34,13 @@
         "paragonie/random_compat": "~1.0"
     },
     "require-dev": {
-        "behat/mink": "~1.6",
+        "behat/mink": "~1.7",
         "behat/mink-goutte-driver": "~1.2",
         "jcalderonzumba/gastonjs": "~1.0.2",
         "jcalderonzumba/mink-phantomjs-driver": "~0.3.1",
         "mikey179/vfsStream": "~1.2",
         "phpunit/phpunit": "~4.8",
-        "symfony/css-selector": "~2.8"
+        "symfony/css-selector": "~3.0"
     },
     "replace": {
         "drupal/action": "self.version",