Update all the things for new dev domains.
Document URL for auto-updated dev deployment.
Use latest commit of identity-pubkeys repo
Use rfkelly as the email sender for awsbox deployment.

In theory this means I should get bounce notifications, which will
suffice for development purposes until we get a proper monitoring setup
going.
Fix syntax error in awsbox post-create mysql script
Merge pull request #337 from mozilla/rfk/new-server-names

Update deployment scripts/docs for new dev server names