[bug 887374] Add noindex tag to some kb articles

Add the "robots" meta tag with "noindex" value to templates, canned
responses and administration KB articles
[bug 890936] Update question.created on activation
[bug 664734] Make most visited articles page more useful
add line numbers to kb dashboard details page
Nix jsocol from the contactus list. :(
Add dev-sumo mailing list to contactus
Revert "[Bug 887962] Related in mobile view is not a blob"

This reverts commit 6182ec5f91d08baf01b31a3c1cba50f9fdcc6b05.

Moved CSS to the correct location.
[bug 895488] Don't list redirects on KB dashboard details page
[bug 884769] Fix HTML on /forums page.
Add Tyler to CONTRIBUTORS
[bug 895898] Increase rate limit for discussion forum posts
[Bug 896189] Question owner and Helpful Reply not localizable in questions
[bug 889913] Track l10n coverage % for all locale/product combos.

* Created new model for these metrics
* Added cronjob to calculate and store values
[Bug 889903] Make Questions use the new topics.
It helps when I test things.
We already have all the topics we need.
More robust question topic migration.
doh
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