Use coffee watch command to watch whole directories, so that it will pick up new coffee files as they are created
Added external hinter calls to capa - responsetypes.
Working prototype of crowdsourced hinting module.
Began work on instructor view to hinting system.
Added moderation feature - you can now choose to hold all hints for moderator approval before showing.
Finished prototype of hint moderation view.  Began re-writing tests of the crowdsource hinter module.  (Old tests no longer cover all the code, now that moderation has been added.)
Made tests of the crowdsource hinter module more standardized and easier to read.  Fixed database non-initialization bug in crowdsource hinter module.