Fix and re-enable jobs admin. PEP8.
Removing unused code from memberships/models.py
Only send notices if notice_type is available. PEP8.
Adding document strings to membership models.
Default the use_for_corp to false for membership app default json
Add column for invoice link from admin memberships list.
#195: Updated start_dt filter in order if-clause
#194: Added corp_membership_type filter, and updated default ordering
Merge branch 'master' into bixly-testing