Bumping gaia.json for 5 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/d6cf58c5909e
Author: Ben Francis <ben@tola.me.uk>
Desc: Revert "Bug 1020685: Close only over the URL string that we need. r=bfrancis"

This reverts commit dfa599e45b6da54439374d1983fc10d21d9ebf54.

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https://hg.mozilla.org/integration/gaia-central/rev/5ac945b0696a
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #20255 from eeejay/bug-1022939

Bug 1022939 - Add ARIA markup for gaia-radio and give example for radio menu items.

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https://hg.mozilla.org/integration/gaia-central/rev/776f0d952040
Author: Eitan Isaacson <eitan@monotonous.org>
Desc: Bug 1022939 - Add ARIA markup for gaia-radio and give example for radio menu items.

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https://hg.mozilla.org/integration/gaia-central/rev/f0c067a8de44
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #20220 from crdlc/bug-1022474

Bug 1022474 - Cannot add an e.me app to the homescreen via wrapper

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https://hg.mozilla.org/integration/gaia-central/rev/1ed317d49f0a
Author: crdlc <crdlc@tid.es>
Desc: Bug 1022474 - Cannot add an e.me app to the homescreen via wrapper
Bumping manifests a=b2g-bump