Build: Bump Grunt JSCS to 0.4.2 for JSCS 1.4.0

- Preset options can now be overridden
- Add time-grunt to show bottlenecks
Merge pull request #5354 from nschonni/jscs-1.4.0

Build: Bump Grunt JSCS to 0.4.2 for JSCS 1.4.0