Fixed issue where source map filename was always required, even when parsing multiple files
Merge pull request #223 from Cyberitas/master

Fixed issue where source map filename was always required
Tweak JSHint options.
Add `jshint` in test target.
Merge pull request #225 from gruntjs/jshint

Tweak JSHint options.
Merge remote-tracking branch 'remotes/origin/master' into v2

Conflicts:
	tasks/less.js
Remove unused variables.