Bumping gaia.json for 1 gaia-1_3 revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-1_3/rev/7b316044316d
Author: Ghislain 'Aus' Lacroix <aus@noiseport.org>
Desc: Merge pull request #14784 from nullaus/bug949286-net-error

bug 949286(cherry picked from commit 6bf24fc3ce7947b70acd2c6f915804f760543fc8)

Fixed Conflicts:
	apps/system/js/net_error.js