Changes toggle text on milestone change

Fixes issue with dropdown toggle not changing

Selects milestone value in dropdown

Closes #1587

Closes #1156

Update project list API returns with approvals_before_merge attribute.

See merge request !1245

Empty state for deploy boards

Closes #1814

See merge request !1342

Protected branches dropdown headers

Closes #1294

See merge request !1114

Port of 26847-api-pipelines-use-basic to EE

See merge request !1181

* master:
  Rename query parameter to `membership`
  Add filter param for authorized projects for current_user for V4
  Rebase - fix commiter email & name

Rebase - fix commiter email & name

Closes #818

See merge request !1341

Port of "Add filter param for user's authorized projects in V4 "

See merge request !1347

Expose pipelines as PipelineBasic `projects/:id/pipelines`

The `projects/:id/pipelines` exposed a lot of extra details
that are superfluous and it was taking extra resources to fetch them.

To get more details about a pipeline, use
`projects/:id/pipelines/:pipeline_id`.

* master:
  Remove .es6 from file extensions (!1344)
  Remove .es6 from import statements
  Adjust ESLint rule for file names
  Detect invalid roll out status requests
  Merge 'commons-chunk-plugin' into 'commons-chunk-plugin-ee'
  Port of 'commons-chunk-plugin' to EE

Remove es6 file extension from JavaScript files

See merge request !1344

Detect invalid roll out status requests

See merge request !1358

Port of 'commons-chunk-plugin' to EE

See merge request !1354