Bug 987202 - Fix form URL on http://www.mozilla.org/gigabit/apply/

Change link to the form("click here")
from: https://docs.google.com/forms/d/1HFas7B6sD3oLxE5FAAYDX1pLoxgBf5mHnj4a1oEay00/edit#
to: https://docs.google.com/forms/d/1HFas7B6sD3oLxE5FAAYDX1pLoxgBf5mHnj4a1oEay00/viewform
Merge pull request #1826 from mmmavis/bug-987202-fix-gigabit-form-url

Bug 987202 - Fix form URL on http://www.mozilla.org/gigabit/apply/
Update rna submodule to fix bug 987328
Merge pull request #1827 from jgmize/improve-note-sort

Update rna submodule to fix bug 987328
[fix bug 986052] Add documentation for running Mozilla.UITour on Bedrock
Merge pull request #1814 from alexgibson/bug-986052-add-documentation-for-mozilla-uitour

[fix bug 986052] Add documentation for running Mozilla.UITour on Bedrock
Fix Bug 947992 - Request to Verify YouTube on Mozilla.org
Merge pull request #1829 from kyoshino/bug-947992-youtube-verification

Fix Bug 947992 - Request to Verify YouTube on Mozilla.org
Make channel-based download url to fix Bug 987330

Also remove major_version context variable in favor
of model method
Merge pull request #1822 from jgmize/relnotes-download-url

Make channel-based download url to fix Bug 987330
Bug 943398: Add Sentry error reporting.

Disable admin email mailing. This was being done
in funfactory in the logging config. The new logging
config included in this commit overrides that.
Merge pull request #1781 from pmclanahan/add-sentry-error-reporting-943398

Bug 943398: Add Sentry error reporting.