Rails 5 compatibility release.

See the Changelog for more information:
https://github.com/rails/web-console/releases/tag/v2.3.0

Fix cancel button on issuable edit form

See merge request !3392

Comments on confidential issues doesn't show in activity feed to non-members

Closes #14568 

See merge request !3375

Fixed issue with width of project select dropdown

Before:

![Screen_Shot_2016-03-24_at_13.42.53](/uploads/25580c45dc339f7f932f032ac2d10fba/Screen_Shot_2016-03-24_at_13.42.53.png)

![Screen_Shot_2016-03-24_at_13.43.04](/uploads/e4d1d4e332d27f14c980264bef9dc4d9/Screen_Shot_2016-03-24_at_13.43.04.png)

After:

![Screen_Shot_2016-03-24_at_13.42.38](/uploads/68b8e161d86b41849f9e8a1d9c8fd36c/Screen_Shot_2016-03-24_at_13.42.38.png)

![Screen_Shot_2016-03-24_at_13.43.13](/uploads/f3fe732bcd517efea3a1d7c761bb6a0e/Screen_Shot_2016-03-24_at_13.43.13.png)

See merge request !3386

Fixed bold in sidebar

![Screen_Shot_2016-03-23_at_12.01.54](/uploads/d50ae3426efcb2436b3debdd80073b2f/Screen_Shot_2016-03-23_at_12.01.54.png)

This is to go with https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/289

See merge request !3358

Shows password form when signed in with linked account

Closes #14379

Doing this to get the builds passing for !3325

See merge request !3381

Explain why ExclusiveLease has no #cancel

[ci skip]

See merge request !3383

Merge branch 'add-tooltip-to-issue-new-branch-button-with-create-branch-issue-title-123-14565' into 'master'

Add tooltip to new branch button

Closes #14565

See merge request !3380

[ci skip]

Closes #14379

Fix specs broken by !3270 and !3337.

To be fair:

- !3270 modifies CSS but `scss-lint` job was allowed to fail in the MR, while not allowed in `master`
- !3337 modifies HTML but the broken test was only in `master` at the time

/cc @alfredo1 @iamphill 

See merge request !3378

Dropdown pixel perfect 🎉

Closes #14333, #14331, #14472, #14515 

See merge request !3337

Documentation: SCSS Style Guide fixes

Fixed a typo and added a section on ignoring issues.

[ci skip]

See merge request !3263

Fix a typo and add a section on ignoring issues.

[ci skip]

Crop avatars on the client before upload

<img src="/uploads/535d69956cc5904870ae5d95132a35af/Screen_Shot_2016-03-17_at_9.55.56_AM.png" width="700">

closes #7959
closes #600 

See merge request !3270

Issue sidebar overlaps on tablet

Closes #14180

![Screen_Shot_2016-03-18_at_13.10.53](/uploads/d1e81778740a034aa98c881a70e55254/Screen_Shot_2016-03-18_at_13.10.53.png)

See merge request !3299

Multi-update issues tests

There were no tests for updating multiple issues at a time - this fixes
that 👍 

See merge request !3357

Fix missing tooltip in project title

closes #14516 

![tooltip](/uploads/121cc3676f4f32044e158cf5f3df5be5/tooltip.gif)

See merge request !3351

Add special cases for built-in Rails routes in development



See merge request !3369

Fixed error with applications delete anonymous token form

Closes #14509 

See merge request !3362

Moved the scss out of a mixin as it was really confusing the hell out of the CSS

Strip commit title when creating revert commit.

Fixes #14453 

See merge request !3352

Fix Milestone.upcoming

The order wasn't happening because of `default_scope`. Blegh.

See merge request !3364

Dropdown alignment

Hopefully the JS will stop this happening in future as well!

Closes #14386 

![Screen_Shot_2016-03-18_at_12.54.32](/uploads/d11b51d3577df3a19b8b3a0fd7b69788/Screen_Shot_2016-03-18_at_12.54.32.png)

See merge request !3298

[ci skip]