Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/14f56dfc157a
Author: Gregor Wagner <anygregor@gmail.com>
Desc: Merge pull request #15634 from gregorwagner/ftu

Bug 945552 - [FTU] network selection - refresh button remains selected. r=francisco

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https://hg.mozilla.org/integration/gaia-central/rev/f04bcb33d819
Author: Gregor Wagner <anygregor@gmail.com>
Desc: Bug 945552 - [FTU] network selection - refresh button remains selected after user selects to refresh network list
Bumping manifests a=b2g-bump