adds functionality to canvas wrappers to get new oauth token if request is unauthorized
Updates tests
additional fixes
New UI templates
adds custom bootstrap css file compiled from less
moves more modals into modals.html
Merge pull request #75 from penzance/feature/new_interface_integration

Feature/new interface integration
removes unauthorized condition from check
Merge pull request #72 from penzance/feature/oauth_retry

Feature/oauth retry
Merge branch 'master' of github.com:penzance/ab-testing-tool