Started with paper form
Fixed test
Fixed tests
Cleaned paper-form branch

PaperForm validation is now less strict
Moved changes to fields to model
Added new testcase for ReviewForm
Removed dependency on user (why was it there in the first place?)
Renamed variables to comply with PEP8
Indention 4 spaces, not 2 (PEP8)
Added db indices, as we now use them
Merge branch 'paper-form'