Seed the Mutants
Redirects should be to url and not path
Root to welcome#index
Added Bootstrap and a welcome page
Full background image and bootstrap initial styles
Beatified the forms
Added simple_form
Beautified the Flash
Small refactoring on page objects used and removed Groups link that was not necessary
Make the column less wide
Footer on separate div
Mutant and Task numbers on Group index
Merge branch 'feature-beautify-attack-1'