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

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https://hg.mozilla.org/integration/gaia-central/rev/e98ca5ade44b
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #20840 from KevinGrandon/lightsofapollo-visual-refresh

Bug 1023950 - Implement real state handling for mozApps and apply visuals

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https://hg.mozilla.org/integration/gaia-central/rev/a14217602a9a
Author: James Lal <james@lightsofapollo.com>
Desc: Bug 1023950 - Implement real state handling for mozApps and apply visuals r=kgrandon
Bumping manifests a=b2g-bump