added bb_follow app with simpel generic follow model
updated serializer to return some temporary value
added signal handler to create follow objects
added base layout for tests
update signal handler, additional tests
test updates, updated save approach for follow.
test update for donations, changed content type reference in signal handler
added some comments
updated migration and bb setting for tests
added email_followers field to wallpost model
added wallpost bb_migration for new email_followers field
added emailing followers, updated model, rearranged import
sending email to followers now.
additional tests
expanded on email tests, added specific mailings
added mail tests for fundraisers
added comments
test updates
updated code and test for latest spec. Only email tests require update now
fix no mail test