added CSS class for <li> in Threads renderer
added CSS class for all renderers
improved thread model conditions and fetch options to avoid future conflicts
fixed bug redirect thread show up twice
attempted a fix to prevent issue in ShareThisPage renderer
fixed bug empty widget containter, suggested here http://xenforo.com/community/posts/448895
merged hook params with parent template params for more useful widget expressions
implemented separated debug option
fixed "all" position issue for good
added default display order for new widget
added new options to OnlineUsers renderer to show/hide following people and to use rich username or not
improved caching machenism to better support real scenario, especially added preload pattern
added support for XFRM: 1 new renderer Resources
added support for XFRM: new option in Users renderer
v2.2 -- version bump
v2.2.1 -- implemented locking mechanism for renderer with caching to improve server performance + prevent high server load
v2.2.2 -- added check for mobile user agent (widget option: deactivate for mobile)
removed expression_debug widget option, switch to use $config[wfDebug] to determine whether to print expression debug message
v2.2.2b -- fixed bug cache is not validated correctly
fixed bug with XFRM_Resources renderer: wrong order direction param