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

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https://hg.mozilla.org/integration/gaia-1_3/rev/f855783eacac
Author: James Burke <jrburke@gmail.com>
Desc: Merge pull request #21070 from jrburke/bug1025727-v1.3-email-cronsync-failsafe

Bug 1025727 - [email/cronysync] Failsafe abort/window.close after (multiple?) failed cronsync(s) r=mcav a=bajaj

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https://hg.mozilla.org/integration/gaia-1_3/rev/d081344c7124
Author: jrburke <jrburke@gmail.com>
Desc: Bug 1025727 - [email/cronysync] Failsafe abort/window.close after (multiple?) failed cronsync(s)

From master commit e64d7adf507d0f0164988257d30600499b1e5776
Bumping manifests a=b2g-bump