Make fast implementations of enyo.setPath/getPath that only work with local property names.  This isn't for public use, but allows the code generated for published properties to avoid extra tests.

Add a published property test to core tests.

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)
Merge pull request #395 from enyojs/fastGetSet

Make fast implementations of enyo.setPath/getPath that only work with lo...

Reviewed-By: Cole Davis (cole.davis@lge.com)