Bumping gaia.json for 3 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_3/rev/625915f17e5b
Author: James Burke <jrburke@gmail.com>
Desc: Merge pull request #20828 from jrburke/bug1025727-email-cronsync-failsafe

Bug 1025727 - [email/cronysync] Failsafe abort/window.close after failed cronsync(s) r=mcav
Conflicts:
	apps/email/js/cards/compose.js

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https://hg.mozilla.org/integration/gaia-1_3/rev/34d5fb5e22fd
Author: Jim Porter <jporter@mozilla.com>
Desc: Merge pull request #21003 from jimporter/email-as-download-body-failure

Bug 1009422 - [email/Activesync/hotmail] Apparent change in server behav...

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https://hg.mozilla.org/integration/gaia-1_3/rev/0319d24715ea
Author: Andrew Sutherland <asutherland@asutherland.org>
Desc: Merge pull request #20525 from asutherland/email-as-dev-id

Bug 825538 - [email/activesync] Need to allocate unique device ID's for multi-device access to ActiveSync. r=squib
Bumping manifests a=b2g-bump