Add flexbox to project header
## What does this MR do?
Adds flexbox to project header to keep components vertically centered regardless of description presence/length
## What are the relevant issue numbers?
Closes #18080
## Screenshots (if relevant)
See merge request !4417
Change color of canceled ci text to gray
## What does this MR do?
Change text color of Canceled builds from `$gl-danger` to `$gl-gray`
## What are the relevant issue numbers?
Closes#18074
## Screenshots (if relevant)
<img src="/uploads/f2ac59c5081c31cfb34bdc0470e31384/Screen_Shot_2016-06-01_at_10.38.17_AM.png" width="600px">
See merge request !4412
Bump recaptcha gem to 3.0.0 to remove deprecated stoken support
Google deprecated the use of stoken in its reCAPTCHA, so this gem is
necessary to make things work again.
Closes#18210
See merge request !4484
Optimise email CSS for speed with Premailer
Speed up emails-on-push by removing all descendant selectors from the
CSS they use, which can make the CSS inlining much more efficient in
certain cases.
See: https://gitlab.com/gitlab-org/gitlab-ee/issues/490
See merge request !4511
Notifications dropdown on project page now has descriptions
## What does this MR do?
Adds descriptions to the notification settings dropdown on project pages. Also changed the order of them to make more sense.
## What are the relevant issue numbers?
Part of #12758
## Screenshots (if relevant)
See merge request !4374
Add License Finder information to contribution acceptance criteria.
To make it clear what should be done when the license finder test fails.
cc: @stanhu
See merge request !4512
Sub navigation
## What does this MR do?
Styles sub nav
cc @dzaporozhets @skyruler @jschatz1
## What are the relevant issue numbers?
#18058 and #17983
## Screenshots (if relevant)
See merge request !4468
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 application code
This is third iteration of renaming `[ci_]commit(s)` in application code to `pipeline(s)`.
See merge request !4464
Phil Hughes
Jacob Schatz
Robert Speicher
Stan Hu
Kamil Trzcinski
Connor Shea
Yorick Peterse
Alejandro Rodríguez
Rémy Coutable
Annabel Dunstone
Douwe Maan
Sean McGivern
Jacob Vosmaer (GitLab)