GitLab

Properly ensure that the token exists and add defensively check for a
non-nil value.

Closes #4294

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Also, Open Graph data, if you're into that kind of thing.

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Every time I push to GitLab, I get > 2 emails saying a spec failed when
I don't care about benchmarks and other specs that have `allow_failure` set to `true`.

Closes https://github.com/gitlabhq/gitlabhq/issues/9956

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Using the fuzzy filter, develop "file finder" feature.
- feedback(http://feedback.gitlab.com/forums/176466-general/suggestions/4987909-add-file-finder-fuzzy-input-in-files-tab-to-ju )
- fuzzy filter(https://github.com/jeancroy/fuzzaldrin-plus)
- shortcuts(when "t" was hitted at tree view, go to 'file find' page and 'esc' is to go back)
- depends on gitlab_git 7.2.22

Closes #3635, #1383

Get "Merge when build succeeds" to work when commits were pushed to MR target branch while builds were running

Closes #4708

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Attempting to use the /projects/:id API by specifying :id in
"namespace/project" format would always result in a 404 if the namespace
contained a dot.

The reason? From http://guides.rubyonrails.org/routing.html#specifying-constraints:

"By default the :id parameter doesn't accept dots - this is because the dot is
used as a separator for formatted routes. If you need to use a dot within an
:id add a constraint which overrides this - for example id: /[^\/]+/ allows
anything except a slash."

Closes https://github.com/gitlabhq/gitlabhq/issues/9573

Closes #5728

While Safari supports the policy, it does not (currently, as of 9.x)
recognize `origin-when-cross-origin` as a valid value, so we omit the
policy entirely under Safari.

Closes #5609

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Closes #4039

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The introduction of ActiveJob and `deliver_now` in 7f214cee caused a race
condition where the mailer would be invoked before the project was committed
to the database, causing the transfer e-mail notification to show the old
path instead of the new one.

Closes #4670

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