Added -w flag to lessc.js for watching dependencies and automatically re-compiling when they change.
Enyo-DCO-1.1-Signed-off-by: Kevin Schaaf <kevin.schaaf@lge.com>
Merge pull request #455 from enyojs/lessc-watch

Added -w flag to lessc.js for watching dependencies and automatically re...

Reviewed-By: Ben Combee (ben.combee@lge.com)
Fix error case for running without -w flag.
Enyo-DCO-1.1-Signed-off-by: Kevin Schaaf <kevin.schaaf@lge.com>
Add error code on exit after a LESS parsing error.
Enyo-DCO-1.1-Signed-off-by: Kevin Schaaf <kevin.schaaf@lge.com>