Added reportlab requirement.
Merge branch 'master' into receipts
Added sample receipts generation code.
Added a bit more content into receipt generation code.
Added more content.
Some general tweaks.
Fixed alignment.
Implemented email sending stuff.
Added a bit of documentation.
Added required methods into Donation model.
Fixed ordering in previously created get_biggest_donations method.
Implemented views for donation viewing.
Updated test.
A bit more documentation for donation related views.
A bit more documentation for donation related views.
Outlined new view for nag-check.
Implemented nag-check functionality. Kind of.
Fixed content margins.
Fixed schema.
Added a new method that allows adding new donations.
Implemented page for manual donation addition.