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

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https://hg.mozilla.org/integration/gaia-central/rev/001e69b9e8bb
Author: Cristian Rodriguez <crdlc@tid.es>
Desc: Merge pull request #16402 from crdlc/bug-link-image-loader

Bug 973850 - Images are not displayed anymore in link view

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https://hg.mozilla.org/integration/gaia-central/rev/fc8a00fb3757
Author: crdlc <crdlc@tid.es>
Desc: Bug 973850 - Images are not displayed anymore in link view

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https://hg.mozilla.org/integration/gaia-central/rev/c9ee3824dfcf
Author: Cristian Rodriguez <crdlc@tid.es>
Desc: Merge pull request #16403 from crdlc/bug-973853

Bug 973853 - Images are not displayed the second time in link and import...

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https://hg.mozilla.org/integration/gaia-central/rev/a36ecac56f18
Author: crdlc <crdlc@tid.es>
Desc: Bug 973853 - Images are not displayed the second time in link and import views

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https://hg.mozilla.org/integration/gaia-central/rev/c1e154891207
Author: Zac <zcampbell@mozilla.com>
Desc: Merge pull request #16383 from askeing/fix_cost_control

Bug 973783 - Fix intermittent failure of test_cost_control_data_alert_mobile.py

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https://hg.mozilla.org/integration/gaia-central/rev/f7e5f7da0a2e
Author: askeing <askeing@gmail.com>
Desc: Bug 973783 - Fix intermittent failure of test_cost_control_data_alert_mobile.py
Bumping manifests a=b2g-bump