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

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https://hg.mozilla.org/integration/gaia-central/rev/ed6e6bf16fcf
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #13049 from igordsm/bug-796702

Bug 796702 - Makes the current day from Day or Week views selected in the Month view. r=kgrandon

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https://hg.mozilla.org/integration/gaia-central/rev/80f52e8c6cd9
Author: Igor Montagner <igordsm@gmail.com>
Desc: Solves bug 796702. Makes the current day from Day or Week views selected in the Month view.

Added unit test.