Commit schema change.
Begin work on code for creating small/med/large images from specified dimensinos.
Refactor specs, get scaled image creator to actually work.
Update scaled_image_creator to expect a scale factor instead of an array of explicit sizes.
Adds restrictions for sizing on scaled images.
Merge pull request #213 from nu-lts/feature/create_scaled_images

Feature/create scaled images
Missing changes to db/schema from AddUserViewPref?
Keywords now associated with reset_data generated files.
Reset data task now leverages factory girl fixtures to create records with content associated.
Make factory_girl_rails a globally installed gem.
Merge pull request #214 from nu-lts/feature/better_reset_data

Feature/better reset data
Merge remote-tracking branch 'origin/develop' into feature/refineActiveState