Merge branch 'release/0.4.5' into develop
Let site admins create new authorizations.

Relies on fedora-infra/tahrir-api#29
Create a way for authorized users to award single badges.
Integrate FOAF and Schema:Person meta-tags into the user page.
Authorized delegates can also created invitations.
Use .utcnow everywhere.
A nicer view for active invitations now that we have an easier way to create them.
Remove extra space
Merge pull request #247 from fedora-infra/feature/foaf

Integrate FOAF and Schema:Person meta-tags into the user page.
Merge pull request #246 from fedora-infra/feature/authz

Feature/authz
0.5.0
Merge branch 'release/0.5.0'