Moved login.jsp into tiles. Created Index.jsp which calls the IndexAction. This action renders the login-form tile.

#IAA-80 work development 15m
#IAA-51 work 1h30m Read Struts2 documentation.
Refactored Actions to make the functionality clearer by reading the name.
Further the registration process is now usable from index page.
#IAA-80 in progress work development 2h
After successful registration, user is logged in automatically.
#IAA-80 in progress work development 30m
Login headline i18n
#IAA-80 ready to merge work development 5m
Merged 'IAA-80' into development
#IAA-80 fixed work development 5m