Merge pull request #294 from code-dot-org/staging

DTT
Merge pull request #295 from code-dot-org/staging

Fix test
Merge pull request #301 from code-dot-org/staging

DTT
Merge pull request #302 from code-dot-org/test

DTP
Merge branch 'staging' into test
Merge branch 'test' into production
Improvements for mailing list sending.
Merge branch 'test' into staging