ENYO-2605: add `ares` and `Ares` global symbols to .jshintrc

Enyo-DCO-1.1-Signed-off-by: Francois-Xavier KOWALSKI <francois-xavier.kowalski@hp.com>
Merge pull request #437 from enyojs/ENYO-2605

ENYO-2605: add `ares` and `Ares` global symbols to .jshintrc