Users now see sites that they posted on
Added binding of caller gem
Modified tests
Merge branch 'master' of robinson.informatik.uni-bremen.de:awe04
Added null check for models.
Added anonymous user login.
Merge branch 'anonymous'
Modified Layout
Merge branch 'master' of robinson.informatik.uni-bremen.de:awe04 into layout-css

Conflicts:
	app/views/layouts/application.html.haml
Added user views, simplified forms
Merge branch 'userviews'
Modified Layout Part 2
Added links to nav
Merge branch 'master' of robinson.informatik.uni-bremen.de:awe04
Added Logo
Merge branch 'layout-css'
Added access rights to all controllers
Merged application.html
Corrected Layout
Modified Logo