Version 1.5.0

- Updated reference to json lib to use the fastest lib possible (per
this thread: http://forum.xbmc.org/showthread.php?tid=173887)
- Updated
addon.xml with additional attributes to support new addon repository
(forum link, URL, etc)
- Changed order of context menu items to put more
frequently used items at top (e.g. set watched) and less frequently used
lower (e.g. remove favorite)