Merge pull request #1 from byroncorrales/master

Lates changes
Merge pull request #2 from byroncorrales/master

PR for Byrons changes
don't add "hasPlaceholder" class to elements without placeholder attribute
precise email selector
Merge pull request #3 from ahilles107/master

Fix quetzal registration.
Merge branch 'master' of github.com:newscoop/theme-Quetzal
fixes cst-156
fixed back links