ENYO-571: Prevent poisoning of other DataLists after explicitly specifying controlsPerPage.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
Merge pull request #945 from enyojs/ENYO-571-aarontam

ENYO-571: Prevent poisoning of other DataLists after explicitly specifying controlsPerPage.

Reviewed By: Derek Anderson <derek.anderson@lge.com>
Integrated-By: Ryan Duffy (ryan.duffy@lge.com)