Bumping gaia.json for 1 gaia-1_2 revision(s) a=gaia-bump
Truncated some number of revisions since the previous bump.

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https://hg.mozilla.org/integration/gaia-1_2/rev/c51871118618
Author: Evyatar Amitay <evyatron@gmail.com>
Desc: Merge pull request #12955 from EverythingMe/908057-hd-icons-1.1

[Bug 908057] Fix e.me icons for 1.1 HD [r=ranbena]
Conflicts:
	apps/homescreen/everything.me/modules/Apps/Apps.js