Added initial models to main app
Deleted URL models, replaced it with a simpel TextField
Added get_votes and get_n_votes
Added tools module, added testing tools to it
Removed get_n_votes
Added __str__ to Review model
Removed obsolete documentation
Merge pull request #8 from martijnbastiaan/feature-initial-models

Merge 'feature-initial-models' with 'master' (fixes issue #1)
Merge branch 'master' into reviewform