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

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

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https://hg.mozilla.org/integration/gaia-2_1/rev/7bae6ab38ca4
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #27310 from mancas/bug1091497

Bug 1091497 - [Flame][v2.1][Browser]The list doesn't pop up when tapping...

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https://hg.mozilla.org/integration/gaia-2_1/rev/771d99d3cf54
Author: Manuel <manuel.casasbarrado@telefonica.com>
Desc: Bug 1091497 - [Flame][v2.1][Browser]The list doesn't pop up when tapping multi-select form field.

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https://hg.mozilla.org/integration/gaia-2_1/rev/d101e17eec6d
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Bug 1097553 - [Flame][Contacts] Can't enter the settings page when we tap settings button in contacts list page.

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https://hg.mozilla.org/integration/gaia-2_1/rev/2e00007c86bf
Author: Luke Chang <lchang@mozilla.com>
Desc: Bug 1120267 - [First Time Experience] Can't join a hidden network via FTU

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https://hg.mozilla.org/integration/gaia-2_1/rev/bd51e80cce4c
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #27398 from KevinGrandon/uplift_bug_1114493

Bug 1114493 - [Search] Properly handle install/uninstall methods +autoland

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https://hg.mozilla.org/integration/gaia-2_1/rev/51a2d22cd982
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1114493 - [Search] Properly handle install/uninstall methods r=chens