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

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https://hg.mozilla.org/integration/gaia-central/rev/aded56382c23
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #26096 from KevinGrandon/bug_1098149_upgrade_jshint

Bug 1098149 - Upgrade jshint to 2.5.10

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https://hg.mozilla.org/integration/gaia-central/rev/d556515bcfc1
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1098149 - Upgrade jshint to 2.5.10 r=kgrandon
Bumping manifests a=b2g-bump