Fixes .css files being saved to root directory

If the directory structure doesn't follow the expected separate less/ and css/ folders, the compiler will no longer output to the porject's root folder.
Merge pull request #42 from ColmHally/fix-save-in-root-dir

Fixes .css files being saved to root directory
Merge pull request #41 from tbusser/master

Fixed lint issues in test.py
partially documented lesscompiler.py and documented some of the settings
Merge branch 'master' of https://github.com/timdouglas/sublime-less2css into commented
- Documented all settings
- Fixed a bug in determining the output folder when the outputDir setting is 'auto'. It would write the CSS filed to a folder named 'auto' if the folder structure didn't meet the expectations. Changed it so the CSS file gets written to the same folder as the LESS file instead.