break up the potential matching page, move potential matches into autocomplete instead of select
Refined/fixed the reorganization of the potential matching page
Improvements to the navigation/controls (ty sarken <3)
Fix to make links in table clearer (ty sarken <3)
Fixes and improvements
Updating tests to fix
Updates to invalid-signup emails per sarken's edits
Merge pull request #1580 from shalott/potential_match_loading

potential matching page loading issues
Issue 1590: Add potential match indexes
Merge pull request #1582 from elzj/indexes-potential-matches

Issue 1590: Add potential match indexes
more matching fixes

- prevent saving invalid matches
- prevent sending assignments when some users are unassigned
- handle weird situation where assignment-generating or pm-generating dies midstream and allow regenerating matches
whoops
added tests for new matching improvements
more test fixes and fixing handling of assignments with pinch hitters
duh

left in binding.pry :P
Merge pull request #1584 from shalott/match_fixes

Matching fixes (issue 3947)