Replaced Array.isArray with _.isArray in initNav.js
Replaced Array.isArray with _.isArray in initNav.js

vokal/keystone,trentmillar/keystone,Pop-Code/keystone,naustudio/keystone,naustudio/keystone,trentmillar/keystone,naustudio/keystone,frontyard/keystone,matthewstyers/keystone,Pop-Code/keystone,matthewstyers/keystone,vokal/keystone,matthewstyers/keystone,vokal/keystone,frontyard/keystone,trentmillar/keystone,frontyard/keystone