Item12534: 

   * upgrading to latest version
   * minifying and compressing css files
   * added class-based initializer to ease usage



git-svn-id: http://svn.foswiki.org/trunk/JSTreeContrib@16810 0b4bb1d4-4e5a-0410-9cc4-b2b747904278
Item12534: ignoring derived files



git-svn-id: http://svn.foswiki.org/trunk/JSTreeContrib@16811 0b4bb1d4-4e5a-0410-9cc4-b2b747904278