created mocha.opts; fixed a few failing and incorrect tests
wrote tests for DynamicAssets and utils.walk
Merge pull request #52 from noc7c9/dyn-walk-tests

wrote tests for DynamicAssets and utils.walk
Got the tests passing.
Updating docs.
Fix readme.
Version bump.
Fixed a few more content type issues.
Gzip compression.
Renabled sass.
add syntax-error.less file for testing error handling.
better support for less error messages
print meaningful less errors
Merge pull request #55 from vicapow/master

better support for less error messages