Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/d2039243803b
Author: Jan Jongboom <janjongboom@gmail.com>
Desc: Merge pull request #22620 from comoyo/bug950607

Bug 950607 - Remove mouse events in Gesture Detector. r=janjongboom

========

https://hg.mozilla.org/integration/gaia-central/rev/47b9dae8d66a
Author: Ram Dayal Vaishnav <vaishnav.rd@gmail.com>
Desc: Bug 950607 - Remove mouse events in Gesture Detector

code to handle mouse events is already convert mouse->touch in the touch helper in gecko, so mouse events related code removed. [Bug 950607]
Bumping manifests a=b2g-bump