Merge pull request #10 from fredwu/master

SSH and typo fix
Merge pull request #11 from fredwu/master

Make sure ssh keys are private private
Bumped version of buildbox-agent
Use trusty security.
Make sure we're running latest rubygems.
Bumping the version of the buildbox-agent.
Add Golang to the docker image.
Always run in debug mode.
Bumped version to 0.1.alpha.2
More work on getting golang working
Merge remote-tracking branch 'hosted/master'
Simplified installation of golang.
Bumping version of buildbox-agent
Update Readme.md
Finalized the golang support
Update Readme.md
Bumping agent version.
Run each rbenv line installation seperatley.
Run the "su" lines as sudo.
Use latest version of the agent.