Merge pull request #33 from XhmikosR/grunt

Switch to Grunt [ci skip]
Added reporting option.
Added coverage
Merge branch 'add-report' of git://github.com/sedovsek/uncss into pr/34
Misc. fixes
Fix typo
dependencies need node 0.10
Limit number of PhantomJS processes, as per #35
Enforce LF for the tests CSS.

This fixes most tests on Windows with `autocrlf` enabled.
Update dependencies.