Revert "Watch nested views, closes #116"

This reverts commit 8a21c53b5cf3ba320b395efded992c8b459661a4.

Throws the following on OS X:

> EMFILE, too many open files
Add watch rule for views, see #116
Merge pull request #18 from tlvince/bug/grunt-html-watch

Add watch rule for views, see #116