Remove an unnecessary .gitkeep file.
Improve BountyMailer tests.
The Bounty Board now sends email upon bounty completion.
Improve tests for the bounty acceptance email.
Remove language from the bounty completion email about attaching the completed artwork, since we don't store the actual finished images.
Put the body of the bounty acceptance email in a paragraph tag.
Merge branch 'master' into email-support
Email the owner of an accepted bounty upon the bounty being un-accepted.