Downstream changes
Conditionally show google and github logins based on configuration
Check for the presence of ENV variables for email config
Bad merge
Switch to using AUTH_ ENV variables
Default auth to true
Remove mime-types gem
More email addresses which should load from config
Use rails root for folder path, just because @steved555 did it for flowdock in 1dbdeff3
Merge pull request #220 from zendesk/jsmale/downstream

Downstream changes and extract email sender domain