Merge pull request #114 from UltCombo/patch-2

fix tests to work with Sass 3.4 and dargs 2.x
Comment out old code, refactor into gulp source adapter

Still TODO: sourcemaps and logging.
Ignore test artifacts
Fix primary test, rearrange fixtures, add results files

Writing output with string concatenation in test.js is messy and doesn't scale.
Puts source fixtures in "source: and adds a "results" dir with expected compiled
CSS files.

Because the erroring file will have different stack traces per environment, we
need to test that it exists in a roundabout way. Could be cleaner.
Add error logging back in
Improve error matching and logging
Remove OS Temp dir on every run

Temporarily adding this for easier work with logs and errors. This is the
keystone of the caching issue that has to be resolved.
Get inline and file sourcemaps working with gulp-sourcemaps
WAPS