Previously all remote IPs appeared at 127.0.0.1, which made Akismet
not very useful. Using the ActionDispatch Remote IP (http://api.rubyonrails.org/classes/ActionDispatch/RemoteIp.html)
should provide more reliable results.

Closes #16629

These changes were pulled from GitLab EE to support configuring
an alternative API URL than the default https://api.github.com.
In addition, the `verify_ssl` flag allows users to disable SSL cert
checking.

One modification: add a default `args` option if it does not exist
to avoid breaking existing configurations.

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/15580

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/15579

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/15576

Fixed some Ruby based on feedback

[ci skip]

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/15398

Previously it would look for the unicode character inside the award menu. But this menu might not always be there.

Now, the unicode characters are loaded onto the page in an array which the award emoji that looks in to get the correct emoji unicode character

Fixes #15512

This makes the memory killer behave more like 'sidekiqctl stop'.

This reverts commit 0f309794, reversing
changes made to 1e596fef.

Closes #15168

Merely setting the "action" tag will only result in the transaction
itself containing a value for this tag. To ensure other metrics also
contain this tag we must set the action using Transaction#action=
instead.

[ci skip]

[ci skip]

This allows users to configure the number of points stored in a single
UDP packet. This in turn can be used to reduce the number of UDP packets
being sent at the cost of these packets being somewhat larger.

The default setting is 1 point per packet so nothing changes for
existing users.