Corrected typos in filters
FIX Infinite digest loop in LegendListCtrl.
Added angular-translate.d.ts
GroupStyle uses translation keys for the style names.
Regroup folders (services, directives, classes)
Merge branch 'master' into Development

* master:
  Regroup folders (services, directives, classes)
  GroupStyle uses translation keys for the style names.
  Added angular-translate.d.ts
  FIX Infinite digest loop in LegendListCtrl.
  Corrected typos in filters
Group typescript classes into separate files (project, group en feature)
Added some more documentation