Added user controller and routes
Added link to view user dashboard
Navbar will display correct dashboard link for user and artist
Separated User and Artist dashboard link, since an artist could want to use either
Removed useless User views
Separated User and Artist dashboard link, since an artist could want to use either
Artist show now redirects artists to custom bounty index
Removed filter control for artist looking for work
Artists may now look at their own dashboard to quickly see items they may accept, yet may also view their profiles like users
Added migration to add badges to artists. Added default badge
Artist Index now uses Artist Badges and default badge
Merge branch 'master' into artist-user-dashboard

Conflicts:
	app/views/layouts/_filters_controls.html.erb
Decouple bounty filters from the page layout of the Bounty#index page.
Create a partial for artist-specific filter controls.
Remove an unnecessary import in the bounty integration tests.
Pull bounty filtering from Bounty#index into a helper.
Improve filter integration tests and move them into their own test suite.
Made bounty list into a partial so it can be used in multiple controllers
Renamed bounty list partial
Made header into a partial