Fix grunt serve
grunt serve was failing because of a weird CoffeeScript compilation
issue in renderer.coffee (strangely, grunt dev worked just fine).
Adding explicit parens around limit and skip fixes the issue.
Since this was a minor fix, I also fixed some trailing whitespace.
I'll add linting to the grunt tasks ASAP.
Fix whitespace
Merge pull request #16 from Pletcher/master

Fix grunt serve