Spin MemberProfile.qualifications out into a join table with additional fields via a django through model.
- We store the qual, mode (within club, outside, XO+what) signee and date, and notes
- No more bulk setting of qualifications, we want this data filled out
- Modal dialogue in trainee profile showing a table of attained qualifications. CUD links are here for training officers.
Allows dating of qualifications, will close #39 (closed).
Left of instructor numbers for this MR, will do as part of this milestone though. See #153
- Add flash messages for CUD
test_top_instructor_qualfailing over theory and practical instructor as they are same rank. Make TI 33.