Bumping gaia.json for 6 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/a5109b242065
Author: vingtetun <21@vingtetun.org>
Desc: Merge pull request #14574 from vingtetun/bug942854

Bug 942854 - [Calendar] Scrolling the week view results into results int...

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https://hg.mozilla.org/integration/gaia-central/rev/8c92dbfbb021
Author: Vivien Nicolas <21@vingtetun.org>
Desc: Bug 942854 - [Calendar] Scrolling the week view results into results into overlapping artifacts. r=kgrandon

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https://hg.mozilla.org/integration/gaia-central/rev/de8afc131bb9
Author: vingtetun <21@vingtetun.org>
Desc: Merge pull request #14575 from vingtetun/bug909877

Bug 948001 - [Settings] With APZ turned on the wifi panel is sometimes s...

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https://hg.mozilla.org/integration/gaia-central/rev/5dfbe4fa95fd
Author: Vivien Nicolas <21@vingtetun.org>
Desc: Bug 948001 - [Settings] With APZ turned on the wifi panel is sometimes shown instead of the main panel at startup. r=arthurchen

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https://hg.mozilla.org/integration/gaia-central/rev/764d911fb590
Author: Ben Kelly <bkelly@mozilla.com>
Desc: Merge pull request #14276 from wanderview/email-scroll-jank

Bug 943498: Spread email scroll sync reflows.  r=asuth

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https://hg.mozilla.org/integration/gaia-central/rev/592558833a26
Author: Ben Kelly <ben@wanderview.com>
Desc: Bug 943498: Spread email scroll sync reflows.