add better mobile user image sizes
Revert "show default user image if selected user does not have an image"

This reverts commit fa50f03e654f948028d12351fd79ec8b6a470e87.
fix label error
use .erb for .coffee file
use asset_path to get correct asset path.
Merge branch 'master' of github.com:stephanpavlovic/kickerapp
use rails_admin.en.yml also for germany for the moment since the rails_admin_i18n repo ist not yet updatet to new strings
move strings to I18N and provide translations
Merge branch 'master' of github.com:stephanpavlovic/kickerapp
Update content.de.yml
Update content.de.yml
Update content.de.yml
Merged master into en