Don't show user on anonymous donation and two minor fixes.

BOOK-784 #resolve
Set default values from Donation Controller
Fix anonymous donation test
Merge pull request #941 from onepercentclub/feature/book-784-anonymous-donations

Don't show user on anonymous donation and two minor fixes.
Merge pull request #942 from onepercentclub/feature/book-777-default-amounts

Set default values from Donation Controller
Merge remote-tracking branch 'upstream/feature/fund-loving-criminals' into feature/book-774-parse-docdata-errors

Conflicts:
	bluebottle/payments_docdata/adapters.py
REmoved comments and re-added some code for future features.