Port of "Remove merge_conflicts bundle" to EE

See merge request gitlab-org/gitlab-ee!4758

Issue - fix order_weight_desc so null weights are placed at the end

Closes #1674

See merge request gitlab-org/gitlab-ee!4714

MR Notes Refactor

See merge request gitlab-org/gitlab-ee!4245

Resolve "ee-files-location-check bug for non-'gitlab-org' repo-based MRs"

Closes #5063

See merge request gitlab-org/gitlab-ee!4746

EE profile bundle tag refactor

See merge request gitlab-org/gitlab-ee!4708

Remove snippet bundle webpack entry point (EE)

See merge request gitlab-org/gitlab-ee!4730

Remove sidebar bundle webpack entry point (EE)

See merge request gitlab-org/gitlab-ee!4713

Merge branch 'ee-43662-can-t-modify-frozen-hash-error-in-development-when-running-a-rake-task' into 'master'

[EE] Fix a "can't modify frozen Hash" error in lib/api/services.rb in development env

See merge request gitlab-org/gitlab-ee!4748

Resolve "Geo WikiSyncService attempts to sync projects that have no Wiki"

Closes #4826

See merge request gitlab-org/gitlab-ee!4677

[EE] Remove explicit audit event log in MembershipActions

See merge request gitlab-org/gitlab-ee!3536

CE upstream - 2018-02-27 12:24 UTC

See merge request gitlab-org/gitlab-ee!4744

Signed-off-by: Rémy Coutable <remy@rymai.me>

EE port of "Prevent webpack from rebooting while switching branches"

Closes gitlab-ce#43638

See merge request gitlab-org/gitlab-ee!4741

Signed-off-by: Rémy Coutable <remy@rymai.me>

Signed-off-by: Rémy Coutable <remy@rymai.me>

Signed-off-by: Rémy Coutable <remy@rymai.me>

Signed-off-by: Rémy Coutable <remy@rymai.me>

Move it to Members::ApproveAccessRequestService.

Also, note that there was a double audit event log for access request
destruction.
Signed-off-by: Rémy Coutable <remy@rymai.me>

[EE] Fix a performance/memory issue in lib/api/services.rb

Closes gitlab-ce#43620

See merge request gitlab-org/gitlab-ee!4731

Fix migrate! method (Minimal fix with ExclusiveLock to prevent race conditions)

Closes #4928 and #4980

See merge request gitlab-org/gitlab-ee!4624

Remove diff notes webpack entry point (EE)

See merge request gitlab-org/gitlab-ee!4739

Converted webpack_bundle_tag to be automatic webpack bundles

See merge request gitlab-org/gitlab-ee!4733

Schedule mirror updates in parallel

Closes #5034

See merge request gitlab-org/gitlab-ee!4720

Resolve "Merge requests and issues don't show for all subgroups"

Closes #43510

See merge request gitlab-org/gitlab-ce!17312

CE upstream - 2018-02-27 08:08 UTC

Closes gitlab-ce#43579

See merge request gitlab-org/gitlab-ee!4742

Previously, these wouldn't count issues or MRs in subgroups - meaning that if
_this_ group had no issues or MRs, we'd show the empty state, which was wrong.

EE: Expose ChatName objects to slash commands

See merge request gitlab-org/gitlab-ee!4693

Expose ChatName objects to slash commands

See merge request gitlab-org/gitlab-ce!17295