* master: (285 commits)
Bump recaptcha gem to 3.0.0 to remove deprecated stoken support
Load knapsack in Rakefile only when is bundled
Add License Finder information to contribution acceptance criteria.
Add LGPLv2 to license whiltelist
Instrument `RepositoryCheck::SingleRepositoryWorker` manually
Bump nokogiri to 1.6.8
Fix alignment of wiki top area
Update charcoal theme colors
Update nav link font size and spacing; fix hamburger icon
Fix control btn position
Remove todos count tests in nav
Test impersonation using img data attribute instead of username
Implement compact side nav
Fix knapsack for master
Align links and tabs
Add scrolling tabs to code subnav
Finish styling sub nav
Updated colors
Fixed failing tests
CHANGELOG item
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Conflicts:
lib/gitlab/ci/config.rb
spec/lib/gitlab/ci/config_spec.rb
Implement compact side nav
## What does this MR do?
Implements new compact nav design
Note- new navbar icons are in a separate MR (https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/4268)
## What are the relevant issue numbers?
Closes#18013
## Screenshots (if relevant)


cc @dzaporozhets
See merge request !4447
Add new GitLab CI configuration facade class
## What does this MR do?
This MR is a first iteration of major CI configuration refactoring. See #17139 and #15060 for more details.
## What are the relevant issue numbers?
Closes#17139
See merge request !4462
Use Knapsack to evenly distribute specs
Try to distribute all tests evenly accross all nodes to reduce the testing time of GitLab CE.
This uses high amount of auto-scaled machines.
See merge request !4240
Rename Ci::Commit in specs
This is second iteration of renaming Ci::Commit occurences, this time I try to rename all `let's` and `factories` to match what type of object is created:
1. Rename factories: `ci_[...]_commit_[...]` to `ci_[...]_pipeline_[...]`,
2. Rename all `let's(:[ci_]commit)` to `let(:pipeline)`,
3. Rename all occurrences of `[ci_]commit` to `pipeline` if Pipeline object is created
cc @grzesiek @DouweM
See merge request !4463
Notes are awardables
## What does this MR do?
Makes sure we can :thunder_cloud_rain: comments/notes.
## What are the relevant issue numbers?
Follows up upon !2901, depends on !3785Closes#3655
## Screenshots (if relevant)
TODO
See merge request !4291
Extend specs for builds badge
## What does this MR do?
This MR extends specs for builds badge.
## Why was this MR needed?
We added an edge case to specs, while trying to reproduce problem described in #17549
## What are the relevant issue numbers?
#17549
See merge request !4401