* master: (181 commits)
  Fixed adding to list bug
  Remove unnecessary queries for .atom and .json in Dashboard::ProjectsController#index
  Fixed modal lists dropdown not updating when list is deleted
  Fixed remove btn error after creating new issue in list
  Removed duplicated test
  Removed Masonry, instead uses groups of data
  Uses mixins for repeated functions
  Fixed up specs
  Props use objects with required & type values
  Removes labels instead of closing issue when clicking remove button
  Fixed JS lint errors
  Fixed issue card spec
  Added webkit CSS properties
  Fixed bug with empty state showing after search Fixed users href path being incorrect
  Fixed bug where 2 un-selected issues would stay on selected tab
  Fixed DB schema Changed how components are added in objects
  Added remove button
  Add optional id property to the issue schema
  Fixed issue link href
  Disabled add issues button if no lists exist
  ...

Remove Turbolinks

Closes #25624

See merge request !8570

Add issues to boards list

Closes #26205

See merge request !8737

Adds /target_branch slash command functionality for merge requests

Closes #23619

See merge request !7216

Remove unnecessary queries for .atom and .json in Dashboard::ProjectsController#index

Closes #27267

See merge request !8956

replace words user(s) with member(s)

Closes #25460

See merge request !8872

Merge branch '27332-mini-pipeline-graph-with-many-stages-has-no-line-spacing-in-firefox-and-safari' into 'master'

Resolve "Mini pipeline graph with many stages has no line spacing in Firefox and Safari"

Closes #27332

See merge request !8886

Resolve "Rename "Builds" to "Pipelines", "CI/CD Pipelines", or "Jobs" everywhere"

Closes #17662

See merge request !8787

Improved ref switcher dropdown performance

Closes #18202

See merge request !7239

Added some error handling which reverts the frontend data changes &
notifies the user

Fixed users href path being incorrect

Changed how components are added in objects

Does not remove the issue from the selected tab when it it de-selected, it instead gets purged when changing tab

Fixed scroll position being lost