typo
Merge branch 'master' of github.com:hsr-ba-ajw-2013/BA
transport the community throw the requests
redirect to the called url after login
links are related to the community
view helper method to create urls
assign template data

navigation middleware -> template-data midleware
transport the community throw the requests
correct the invitation url
Merge branch 'master' of github.com:hsr-ba-ajw-2013/BA