ENYO-3256: initialize the field "maxFields" with the same value as defin...

...ed in fsBase.js.

Link to JIRA ticket : https://enyojs.atlassian.net/browse/ENYO-3256

Tested on Chrome Canary (Windows 7)
Enyo-DCO-1.1-Signed-off-by: Rafik Adiche mahmoud-rafik.adiche@hp.com