-changed "Save Changes" to "Send creation Request" in group enrollment
Author validation for unique mail adress
fix timeline if paper has no active submission
detail page for paper

-also more beautiful validation errors (if server side check fails)
Paper: Add check for user as author
submission retarget functionality
never show authors as dropdown in paper details
hide "My Review" as it has no functionality yet
remove legacy relationship method
hide search bar as it has no functionality yet
Paper: Author creation in modal window
Merge branch 'master' of https://github.com/ischweizer/phdpapertool
replace !empty call by simple if check

-it is shorter
-it works for all PHP versions
Paper: Fix author readding
beautified admin.blade.php
Merge branch 'master' into joey_anton_testing

Conflicts:
	app/models/UserRole.php