ENYO-454: Update paging control state minimally during scrolling.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
ENYO-454: Remove overscroll conditional.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
Merge pull request #1766 from enyojs/ENYO-454-aarontam

ENYO-454: Update paging control state minimally during scrolling.

Reviewed-By: Krishna Rangarajan (krishna.rangarajan@lge.com)
Integrated-By: Ryan Duffy (ryan.duffy@lge.com)