Caleb 085c88e2b8 Prevent Git Gateway users with invalid tokens from logging in. (#1209)
* Prevent Git Gateway users without permission from login.

* Handle Git Gateway token expiry explicitly.

This often happens when a user changes a repo from public to private, so
we want to make that specific case very clear.
2018-03-28 14:08:23 -04:00
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2017-12-07 12:37:10 -05:00