Simple registration
Simple login/logout based on django.contrib.auth
Login modal dialog
Add sc-web-core.js to .gitignore
Merge pull request #66 from Gr1N/master

done issue #67
done issue #68
done issue #69
work on issue #70 (git repository browser)
done issue #70
work on issue #73
work on issue #73
improved repo view page
done issue #74
work on issue #62