Favorite banners, personal banners, ability to mark as favorite, some style fixes
Merge branch 'master' of https://github.com/unknownways/dsa

Conflicts:
	grails-app/controllers/com/dsa/MaterialController.groovy
	grails-app/views/layouts/main.gsp
	grails-app/views/material/favorites.gsp
	web-app/css/style.css
Merge remote-tracking branch 'origin/master'