Merge branch 'dev'
Update README.md
update bootstrap theme to 2.0.4
Updated requirements
Updated metron to 1.0
Updated settings to better integrate with django-user-accounts
Updated requirements.txt

Use security fix releases of Django and django-user-accounts
Removed unique email settings

Let the sane defaults take over.
bump to latest django version
update to latest theme version
Updated requirements to newer version
Updated README
Removed extraneous colon in README
update theme version to latest
bumped up Django version