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

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https://hg.mozilla.org/integration/gaia-central/rev/66e85edf3cd7
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Merge pull request #13870 from Pike/bug-940897-localize-inputs

bug 940897, localize inputs in keyboard's manifest.webapp

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https://hg.mozilla.org/integration/gaia-central/rev/7070174409c4
Author: Axel Hecht <axel@pike.org>
Desc: bug 940897, localize inputs in keyboard's manifest.webapp