Use hashbang in cowry return urls.
Don't allow users to donate in cents.

BB-1103 #resolve
Donation copy adjustment.

BB-903 #resolve
Add correct fields for DocDataWebDirectDirectDebit.
Cancel / delete recurring payment when a user is soft deleted and deleted.
Merge pull request #557 from benkonrath/cowry-cleanups-fixes

Cowry cleanups fixes
Merge branch 'master' of https://github.com/FransTwisk/bluebottle