* upstream/master: (353 commits)
Put some admin settings in dropdown
Add styleguide on configuration settings documentation
Remove Duplicated keys add UNIQUE index to fingerprint
Avoid autoload issue such as 'Mail::Parsers::AddressStruct'
Move appearance settings as sub tab to application settings
use rails root join
fixed a couple of errors spotted in production
Fix RangeError exceptions when referring to issues or merge requests outside of max database values
Fix bug in `WikiLinkFilter`.
Grammar and typographic changes to artifacts documentation
Tweak grammar
Small frontend code fixes and restore 8a2d88f commit
Warn about admin privilege to disable GitHub Webhooks
Listing GH Webhooks doesn't stop import process for non GH admin users
fixup! updated docs for api endpoint award emoji
Update CHANGELOG
Ensure Todos counters doesn't count Todos for projects pending delete
Add endpoints for award emoji on notes
Sort API endpoints and implement feedback
Add endpoints for Award Emoji
...
Add a new application setting, after_sign_up_text. This is text to be
rendered as Markdown and shown on the 'almost there' page after a user
signs up, but before they've confirmed their account.
Tweak the styles for that page so that centered lists look reasonable.
Separate reference gathering from rendering
This is a required step to allow batch processing when gathering references. This in turn would allow grabbing (for example) all mentioned users of an issue/merge request using a single query.
cc @rspeicher @DouweM
See merge request !3969
Fix a description for default scope on builds
Should be "**All* builds (from this project)" for the {project,admin}
builds page without scope.
Fix a regression on !2243 (#4240).
See merge request !4118
Reuse runners edit form in admin and project area
Reuse runners edit form in admin and project area.

See merge request !4094
This reverts commit 78a832d0fd7ff445c707809134dbb2a42d2a9e03.
Show help only for the enabled OAuth Providers on oauth-providers-help block
aria: { describedby: help_block_id } instead of 'aria-describedby' => help_block_id
provider and not p
a more simple approach to the OmniAuth helper links for oauth-providers-help