Bumping gaia.json for 3 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/635f3ec488f5
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1014404 - Remove mocha.globals r=lightsofapollo

========

https://hg.mozilla.org/integration/gaia-central/rev/10e030d7e663
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #19737 from KevinGrandon/bug_1007352_update_node_modules

Bug 1007352 - Update gaia node modules

========

https://hg.mozilla.org/integration/gaia-central/rev/d408990cdc43
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1007352 - Update gaia node modules
Bumping manifests a=b2g-bump