Fixing typo in error message
Merge pull request #173 from wnasich/develop

Fixing typo in error message
Merge branch 'develop' of github.com:CakeDC/users into develop
Fixing some upper cased controller names in sidebar.ctp which causes the urls to not work
Just some CS fixes
Fixing https://github.com/CakeDC/users/pull/174
Updating travis
Adding semver and CONTRIBUTING.md