Refs #178 added css for cirrus site
Refs #178 added checkboxes to hide admin and footer in a project
after login go back to previous page; login/logout urls and footer now in overloadable blocks; use social-auth built-in get_username again
Merge pull request #179 from koekie/master

most importantly: go back to previous page after login
Merge branches '#178_Cirrus_website_changes' and 'master'
Merge remote-tracking branch 'upstream/master'
Fixes #178 Removed superfluous dots, made templates respond to hide footer/login options