adds style for medium-screen size
adds modal / devise problem
Adds modals
Merge branch 'dev' into chudix
adds checks for sign_in/up modals
add modals for signin and login
resolvs some conflics
fix typo
adds search
reindents controllers to use 2 spaces
Merge branch 'chudix' of github.com:farfanoide/agalma into chudix
Merge branch 'dev' into chudix
various js changes

fixes dynamic links in forms
removes demo stuff from the backend
adds mailer view and controller
adds mail table
se necesitaba
Merge branch 'dev' into nestier

Conflicts:
	app/controllers/backend/posts_controller.rb
nestier on the run