- Added role-validation for WorkerComponent and AdministrationComponent.
 - Session is destroyed as the user are logged out.
 - Inlcude JavaScript File and jQuery.
 - Some js goldplating ;)
Merge branch 'master' of https://github.com/jonathanklingberg/ETSN05

# By fys09kgu
# Via fys09kgu
* 'master' of https://github.com/jonathanklingberg/ETSN05:
  finished writing user lists for ProjectManagerComponent
  added methods isAdmin() and isAdminOrProjectManager in ServletBase and subclasses. Removed redundant methods replaced by these.
  added method shouldPrintPasswordInUserTable() to ServletBase and subclasses
  added method shouldPrintGroupNameInUserTable() to ServletBase and implemented in extending classes. Also removed method getGroup in ServletBase and subclasses.
  Merge
  .Rhistory added