basic functionality of feedback email replyer implemented
Small improvements to FeedbackAnswer reply functionality
Tests added to FeedbackReply-feature
Feedback answer replys now saved to DB
Small improvements to Feedback reply -feature
Pluralized the name of FeedbackRepliesController and changed the hard coded path in textual feedback_answer view to path helper
Merge pull request #113 from mluukkai/master

Name of the feedback replies controlled pluralized
Removed CourseRegistration model (dead code).
Added brief comments to most classes.
sort courses active first
Merge pull request #114 from jamox/course-view

Sort courses active first
basics of course emailer
minor fixes
added link to courses show view
added some basic tests
test basic functionality
cleanup
some more cleanup
minor fixes and renamerd user to sender
end of the commit