gemfile modified
Merge branch 'master' of https://github.com/ospreys-2014/Kendrick
Merge branch 'master' of https://github.com/ospreys-2014/Kendrick
Merge branch 'master' of https://github.com/ospreys-2014/Kendrick
Merge branch 'master' of https://github.com/ospreys-2014/Kendrick
Merge pull request #59 from ospreys-2014/artist_profile

Artist profile
Merge branch 'master' of https://github.com/ospreys-2014/Kendrick
comment can be rated
review can be rated
user validation neatly formatted code
add column to account for numeric rating
rating model validates the numeric rating provided to it
assocations in regard to receiving and giving ratings; added comments to clarify the meaning behind the associations
add methods to find total reviews made by a user and total reviews received by an artist.
update seed file
add new validation to prevent ratings being done on non-artist users
validation successfully implemented to only allow artists to be rated, as opposed to any user being rated
added option for artist false to user factory
create rating factory
update gitignore to ignore coverage directory