Added elastic boolean to let the user pan the center view controller past the edge#114

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chourobin wants to merge 5 commits intomikefrederick:masterfrom

chourobin:feature/elastic

Commits on Aug 14, 2013

Reset pan gesture velocity after user swipe ends
chourobin
committed

Commits on Aug 21, 2013

Added elastic pan ability to make the side menu feel more life like
chourobin
committed

Commits on Aug 22, 2013