Fix for issue #14: handle ECMAScript/Harmony backticks.
Rename test. However did that happen?!
Expose quote-chars as configuration option: not fully supporting/tracking Harmony, but this should be a enough for the moment.
Merge
Another contributor :-)
Update docs; add changelog; bump version for release.
Merge released version 2.1.0 into stable branch. Closes issue #14.

--HG--
branch : stable