JSON can now be multidimensional

{"colors": {"black": "#000"}} will now produce
$colors-black: #000;
in scss
fixed issue with more then 2 dimensions.
adds watch task:
- watch files to be jshinted on change
- watch files to trigger tests on change
adds nested variables for JS and tests
Merge pull request #7 from MathiasPaumgarten/meodai-master

Adds nested variables