Issue #1149726 by moonray: Created an 'add skin configuration' form to edit any element on the site.

Issue #943068 by ericduran, ezra-g, branana, moonray: Skinr rule visibility implementation needs to be updated properly.

by moonray: Fixed typo in skinr_get_config_info() that prevented skipping re-loading of cached data.

by moonray: Fixed typo in skinr_get_config_info() that prevented skipping re-loading of cached data.

Issue #1148092 by moonray: Fixed PDOException on Skinr installation when using UTF8 character set in DB.

#891942 by vraja, moonray: Tests for class lost when editing block and user doesn't have "access skinr classes" permission. Bug already fixed by previous patch.

#1050064 by moonray | Hari: Fixed Skinr failing to load CSS files when added at the option level of a Skin.

#977118 by sun: Fixed Skins in disabled basetheme cannot be enabled for basetheme (to appear in subtheme).

#956994 by moonray, sun: Fixing an issue where JS and CSS files weren't loading due to incorrect path information.

#956994 by sun, moonray, coltrane: Fixed Write load and parse code for Skinr include files in PHP format.