Fixing URL validation for import_url on projects
Fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/17536
This MR fixes problems related to bypassing `import_url` validation on projects. This makes sure the URL is properly validated so we don't enter crap and fail while running workers that handle this URL.
It also adds a migration to fix current invalid `import_url`s
See merge request !4753
Add lib/gitlab/emoji.rb instead of gitlab_emoji gem and upgrade Gemojione
- No reason to split it into a separate gem when the gem barely did anything. We can use gemojione directly, making updating gemojione that much easier. Unless there's a particularly good reason we were using the gem?
- Fixes the Rake task since it broke after all the AwardEmoji changes.
- Update gemojione to 2.6.1.
Spring Update changes! http://emojione.com/releases/#2.2.0
See merge request !4919
Move global ci entries handling from legacy to new config
## What does this MR do?
This MR moves responsibility of handling global CI config entries (like `image`, `services`), from legacy `GitlabCiYamlProcessor` to new CI Config
## Why was this MR needed?
This is the next iteration of CI configuration refactoring
## What are the relevant issue numbers?
#15060
## Does this MR meet the acceptance criteria?
- Tests
- [x] Added for this feature/bug
- [x] All builds are passing
- [x] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [x] Branch has no merge conflicts with `master` (if you do - rebase it please)
See merge request !4820
Handle custom Git hook result in GitLab UI
## What does this MR do?
This MR fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/19190
It allows to show messages from git custom hooks
## Screenshots (if relevant)

See merge request !5073
Save artifacts sizes
## What does this MR do?
Introduce ci_builds.artifacts_size as an integer, so that it's easier to access than reading from the file again.
## What are the relevant issue numbers?
Closes#18869
See merge request !4964
* upstream/master: (175 commits)
Document Repository#keep_around
Don't garbage collect commits that have related DB records like comments
Update CHANGELOG
Update RedCloth to 4.3.2 for CVE-2012-6684
Fix typo in Merge Requests API documentation
Downgrade to Redis 3.2.2 due to massive memory leak with Sidekiq
Enable Style/EmptyLines cop, remove redundant ones
Update CHANGELOG
Cache results from jQuery selectors to retrieve namespace name
Fix import button when import fail due the namespace already been taken
Fix snippets comments not displayed
Fix emoji paths in relative root configurations
Exclude requesters from Project#members, Group#members and User#members
Upgrade Thin from 1.6.1 to 1.7.0.
Many squashed commits
Cache autocomplete results
Upgrade Sidekiq from 4.1.2 to 4.1.4.
Upgrade seed-fu from 2.3.5 to 2.3.6
use has_many relationship with events
Support creating a todo on issuables via API
...
* master: (98 commits)
Enable Style/EmptyLines cop, remove redundant ones
Update CHANGELOG
Cache results from jQuery selectors to retrieve namespace name
Fix import button when import fail due the namespace already been taken
Fix snippets comments not displayed
Fix emoji paths in relative root configurations
Exclude requesters from Project#members, Group#members and User#members
Upgrade Thin from 1.6.1 to 1.7.0.
Many squashed commits
Cache autocomplete results
Upgrade Sidekiq from 4.1.2 to 4.1.4.
Upgrade seed-fu from 2.3.5 to 2.3.6
use has_many relationship with events
Support creating a todo on issuables via API
Expose target, filter by state as string
Add todos API documentation and changelog
Improve the request / withdraw access button
Metrics for Rouge::Plugins::Redcarpet and Rouge::Formatters::HTMLGitlab
Groundwork for Kerberos SPNEGO (EE feature)
Update CHANGELOG 8.9.5 for runners related fixes
...
Fix emoji paths in relative root configurations
## What does this MR do?
If a site specifies a relative URL root, emoji files would omit the path from the URL, leading to lots of 404s.
## Are there points in the code the reviewer needs to double check?
At first, I tried to use `ActionView::Helpers::AssetUrlHelper.asset_url` since this is what it's intended to do. But this helper function is extremely slow, and it took minutes to generate the URLs for the hundreds of links needed for each emoji.
## Why was this MR needed?
Because emojis were broken in relative URL installations
## What are the relevant issue numbers?
#15642
## Does this MR meet the acceptance criteria?
- [X] [CHANGELOG](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CHANGELOG) entry added
- Tests
- [X] Added for this feature/bug
- [x] All builds are passing
- [X] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [X] Branch has no merge conflicts with `master` (if you do - rebase it please)
- [X] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)
See merge request !5027
Fixing problems with events for import/export
Fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/19202
A couple of issues related to target being missing in exported `Events` (as being polymorphic and not have `ActiveRecord` relationships is a bit more tricky than normal models) plus as the export was in JSON, the import retrieves hashed fields as stringified hashes and not symbolized - so fixed that as well, which was the cause of https://gitlab.com/gitlab-org/gitlab-ce/issues/19202
Also fixed / refactored tests
:simpl
Import/Export Version has been bumped to 0.1.1 as theses changes to events won't work very well with old exports - forcing users to generate a new export in the new version.
See merge request !4987
Ensure that branch and tag names are given in API
## What does this MR do?
It ensures that the tag or branch name is given. @rymai We talked in an earlier MR about this.
See merge request !5012