[eh] Added support for deploying to cloud foundry and fixed initial s…

[emir-hasanbegovic]

These changes should allow anyone to push to cf and get up and running immediately

- Added instructions for adding mysql service to README, boost is minimum requirement as free tier does not have enough connections.
- Added health-check avoidance to projects that have no inbound http
- Added mysql service connection to all projects
- Fixed issue where production database.yml would try to use localhost for its mysql instance

[khng]

Hi @emir-hasanbegovic

Sorry it took us so long to get to your PR. If you still want this contribution to be recorded, the branch will need to be rebased to latest master and the comment to be addressed.

Cheers!

[khng]

Merged manually. Thanks!