Fix "Assign to all" when runner already assigned to some projects
Ignore config/unicorn.rb.
Remove config/puma.rb from gitignore.
Improve runners page UI

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Add to update guide unicorn config edit.
 Merge branch 'update_doc' into 'master'

Update to 4.3 doc needs unicorn config copy
Runner for node.
Merge pull request #405 from cirosantilli/ignore-remove-puma

Remove config/puma.rb from gitignore.
Merge pull request #404 from cirosantilli/ignore-unicorn-rb

Ignore config/unicorn.rb.
Fix tests

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Merge pull request #402 from uzzz/assign-all-fix

Fix "Assign to all" when runner already assigned to some projects
Merge branch 'master' of github.com:gitlabhq/gitlab-ci
 Merge branch 'node-runner' into 'master'

Node-runner
Runner description editing improvements:
- add .preventDefault() to "click" event extra request
- fix styles to "save" button
- add "cancel" button to description edit form