Clean up after test suite
Default -maxdepth for find
Stub CLI in go
Linter object
Move linter to own folder, add test for README
Prep for CI build
Use filepath.Join to create paths for great glory

Thanks @jingweno
Create complete fixture path as necessary
Table driven tests

:stuck_out_tongue: @penland365
Support severity levels for errors
Report error severity
Update usage
Update build script
Update README code block formatting [ci skip]
Merge pull request #5 from pengwynn/go

The big rewrite in Go