CE Merge conflicts for "Automatically navigate to last board visited"

See merge request gitlab-org/gitlab-ee!8000

Put EE routes in EE files under EE directories

Closes #7864

See merge request gitlab-org/gitlab-ee!7935

CE upstream - 2018-10-26 11:21 UTC

See merge request gitlab-org/gitlab-ee!8103

# Conflicts:
#	app/views/shared/boards/components/_board.html.haml

[ci skip]

Port of 52545-guest-create-issue-in-group-board to EE

See merge request gitlab-org/gitlab-ee!8099

Resolve "Adding issues from group/project board is not allowed for project-level users"

See merge request gitlab-org/gitlab-ce!22557

CE upstream - 2018-10-26 10:21 UTC

See merge request gitlab-org/gitlab-ee!8101

Resolve "Filter by `None`/`Any` for assignee_id in issues/mrs API"

Closes #52384

See merge request gitlab-org/gitlab-ce!22598

Add metric to track projects with atleast 1 alert to usage ping data

See merge request gitlab-org/gitlab-ee!8058

CE upstream - 2018-10-26 08:21 UTC

See merge request gitlab-org/gitlab-ee!8096

Preload user status for label events

Closes #53164

See merge request gitlab-org/gitlab-ce!22609

Support backward compatibility when introduce new failure reason

See merge request gitlab-org/gitlab-ce!22566

Link button in markdown editor recognize URLs

Closes #52115

See merge request gitlab-org/gitlab-ce!22547

Fix stage dropdown rendering only in English

Closes #53133

See merge request gitlab-org/gitlab-ce!22604

Fix inaccessible dropdown for code-less projects

Closes #51306

See merge request gitlab-org/gitlab-ce!22137

Remove .katex-display from selector

See merge request gitlab-org/gitlab-ce!22580

And if it cannot find any routes, raise an error