Merge pull request #12 from afalsario/afalsario

adding image uploads
Added boostrap template. Setup Artist index, and connected home, login, redesigned form for sign up, and tweeked the About Page.
Merge conflict resolved
working on forms and edit for gallery pics
Merge pull request #13 from afalsario/alex

Commit new bootstrap template
Merge branch 'master' of github.com:afalsario/commonart
added a default route
added a constructor
added an image mutator