[NANOHUB][#265605][COM_KB] fix for subcategory display and mysql error in kb back-end
[COM_KB] fix for Notice: Undefined index: id in kb back-end, section display
[PURDUENEXT][#512][COM_COURSES] add support for matlab and c/cpp files in builder
[NANOHUB][#265600][COM_BILLBOARDS] use JFactory::getApplication instead of $mainframe
[NANOHUB][#265609][COM_COURSES] try increasing preview timeout in builder
[NANOHUB][#265610][COM_COURSES] get rid of opacity and z-index on unpublished asset groups as it's causing element ordering issues
[MOD_LOGIN] sync up general user login features with mod_login
[PURDUENEXT][#472][COM_COURSES] allow % signs in url type assets
[NANOHUB][#265624][COM_STORE] lots of fixes to the back-end
[COM_STORE] more back-end language fixes and product image upload fixes
[NANOHUB][#265615][COM_COURSES] fix typo in error message
[COM_STORE] follow up fix to product image delete
[NANOHUB][#265616] make router parse content routes case insensitive