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

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https://hg.mozilla.org/integration/gaia-central/rev/be5a676cceee
Author: Gareth Aye <gaye@mozilla.com>
Desc: Merge pull request #17267 from gaye/bug-983846

Bug 983846 - Refactor calendar marionette abstractions r=millermedeiros

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https://hg.mozilla.org/integration/gaia-central/rev/3098a7703225
Author: Gareth Aye <gaye@mozilla.com>
Desc: Bug 983846 - Refactor calendar marionette abstractions r=millermedeiros

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https://hg.mozilla.org/integration/gaia-central/rev/530d6c8867a5
Author: Miller Medeiros <miller@millermedeiros.com>
Desc: Merge pull request #17255 from millermedeiros/984115-jshint-controllers

Bug 984115 - [Calendar] JSHint fixes for js/controllers r=gaye

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https://hg.mozilla.org/integration/gaia-central/rev/89a7d9dfa889
Author: Miller Medeiros <miller@millermedeiros.com>
Desc: Bug 984115 - [Calendar] JSHint fixes for js/controllers
Bumping manifests a=b2g-bump