Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/e568fde51071
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #20805 from KevinGrandon/bug_1027005_collection_triggers

Bug 1027005 - [Collection] Population task for new collections

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https://hg.mozilla.org/integration/gaia-central/rev/c4b2eacc8672
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1027005 - [Collection] Population task for new collections r=daleharvey

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https://hg.mozilla.org/integration/gaia-central/rev/58f3dccd99ab
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #20819 from KevinGrandon/bug_1028351_vertical_manifest_localization

Bug 1028351 - [Vertical] Vertical App name should be localized

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https://hg.mozilla.org/integration/gaia-central/rev/932a62a49900
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1028351 - [Vertical] Vertical App name should be localized r=tchevalier r=lightsofapollo
Bumping manifests a=b2g-bump