Fixes and Cleanup
- Renamed parent_link to get_parent_link
- Added get_avatar_comment_types filter to register class
- Cleaned up column_author method a bunch of table class
More Tweaks
- Set show_in_admin_all_list to FALSE for feedback comment status
- Feedback can be trashed without being redirect to the comments page when editing an individual comment.
Forgot to include JS file for the aforementioned trashing stuff.
Lots of simplification and cleanup of the column_comment method.
Merge pull request #44 from methnen/feedback-faves-and-flags

Feedback Admin Panel Stuff