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

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https://hg.mozilla.org/integration/gaia-1_3/rev/0f8ccf047e12
Author: James Burke <jrburke@gmail.com>
Desc: Merge pull request #18495 from jrburke/bug985598-v1.3-email-double-activity-blank

Bug 985598 - [email] Double-triggering of share/new activity by clicking on a mailto link results in black screen r=asuth a=bajaj

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https://hg.mozilla.org/integration/gaia-1_3/rev/7b0a086f50e7
Author: jrburke <jrburke@gmail.com>
Desc: Bug 985598 - [email] Double-triggering of share/new activity by clicking on a mailto link results in black screen

v1.3 branch merge from master of commit c3b1f1fe0ee3e00903858333412b6de94f194629
Bumping manifests a=b2g-bump