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

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https://hg.mozilla.org/integration/gaia-central/rev/10d7d044eac2
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #14876 from KevinGrandon/revert_bug_945553

Revert "Bug 945553 - Rewrite install-gaia.py to install-gaia.js"

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https://hg.mozilla.org/integration/gaia-central/rev/98f26f702782
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Revert "Bug 945553 - Rewrite install-gaia.py to install-gaia.js"

This reverts commit b9129ad69a9ea91fda0c3f4c626c2f2eaf15d230.