added infobox; combined own and delegated courses
changed visualization of responsible contributor in course form for contributors
added tooltip for delegate labels
fixed wrong tooltip text on results page
show all courses of a contributor in the contributor view, sorted by semesters
updated translation file
added missing semester id for results reference
made edit buttons primary
add contributor's name for text answer review
put answers into separate panels
display username if full_name is empty
Merge pull request #242 from janno42/contributor_view

Updated contributor view
prepared courses can now be reverted to new
updated language file
changed url name
merged with develop
changed counting and one translation
changed another translation
Merge pull request #243 from janno42/show_evaluated_person

Show evaluated person
Merge pull request #246 from janno42/develop

Revert courses to New