Added iconCls for the formatting of the icons showing task lines

  Fixed various issues

  Now using year if there is enough space

- Beautified GanttTreePanel

  between GanttEditor and PortflioPlanner

  Fixed difference between SideTab resize and window resize

   style changes
   removed WIN EOL

  - added store and model for groups

  Now hiding start- and end date by default

  Removed debugging columns

  - Changed Gantt structure to exclude the main project_id as root
  - New tasks now receive new object_ids from the server

  - Added renumbering of sort_order after moves, inserts or deletes
  - Moved redraw() into onIdle event for lazy/delayed redraw
  - Fixed help menu
  - other minor changes

  Fixed AlphaMenu URL for the ticket tracker

  - Now with persistent state
  - Moved currentUserId() function from PreferenceStateProvider to Utilities

  Added colum project_nr

  Now showing SLAs and ticket with different icons in project tree