Skip tests if there is no mongodb connection
Improved test speeds 4x
by removing documents instead of dropping a whole db each time
Added travis conifg file
Moved key generation into a helper for better testing
Replaced criterion status image with travis
Added docblocks for sshkey helper
Updated README regarding private use reccomendation
[ci skip]
Merge pull request #43 from romhut/feature/travis

Fixed tests and added Travis CI
Typo in README
[ci skip]
Merge branch 'master' into feature/enviroment-variables