Fixing esprima fixes. close #332
Tests and docs for esprima fix
Add tests for google preset

Fixes #294
"Fix" google preset

* Google preset was defined but not activated use it, but remove it from README

* Extract "excludeFiles" from google preset
README.md: switch to SVG badges.

Closes gh-328
Correct name of the test for the google preset
Update dependencies apart from vow and vow-fs.
Drop node.js 0.8 support.