Merge branch 'feature/fund-loving-criminals' into feature/BOOK-770
BOOK-770, refactored TaskMail with objects to be more readable and rehusable
BOOK-770, comments
BOOK-770, fixes
Merge branch 'feature/fund-loving-criminals' into feature/BOOK-770

Conflicts:
	bluebottle/bb_tasks/taskmail.py
Merge pull request #959 from onepercentclub/feature/BOOK-770

Feature/book 770