Fixed issue with MR buttons being in a group
## What does this MR do?
Fixes design issue with the buttons in the merge request widget
## Screenshots (if relevant)

See merge request !4562
Update project star/unstar tooltip
## What does this MR do?
Fixes project toggle star button tooltip to show actual tooltip for its state.
## Are there points in the code the reviewer needs to double check?
No.
## Why was this MR needed?
- When you star a project tooltip wasn't changing.
- When you star a project and refresh the page, tooltip was still showing `Star Project`
## What are the relevant issue numbers?
Fixes#18143
## Screenshots (if relevant)
### Before

### After

## Does this MR meet the acceptance criteria?
- [x] [CHANGELOG](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CHANGELOG) entry added
- [ ] [Documentation created/updated](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/development/doc_styleguide.md)
- [ ] API support added
- [ ] Tests
- [ ] Added for this feature/bug
- [ ] All builds are passing
- [x] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [x] Branch has no merge conflicts with `master` (if you do - rebase it please)
- [x] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)
See merge request !4672
Fix the logo in header not being an anchor link.
## What does this MR do?
Adds an actual link to the Tanuki in the header instead of a `Turbolinks.visit()`.
## Are there points in the code the reviewer needs to double check?
Do we care that this reverts the Safari issue fixed in !2690? I feel bad, but it's hacky and there's not a great way to fix it here.
## Why was this MR needed?
You couldn't open the home page in a new tab before, it was very annoying.
## What are the relevant issue numbers?
Fixes#18604
cc: @rspeicher
See merge request !4661
Fix note polling when a window has been hidden
`refresh` was called, `refreshing` was set to true, but then because
`document.hidden` was true, `getContent` was never called, and
`refreshing` never got reset to `false`, which stopped polling entirely
until refresh.
See merge request !4635
Manually create todo for issuable
## What does this MR do?
Adds a button to the sidebar in issues & merge requests to allow users to manually create a todo item themselves.
## What are the relevant issue numbers?
Closes#15045
## Screenshots (if relevant)



See merge request !4502
Aligned the two navs horizontally
## What does this MR do?
Previously the 2 top navs were not aligned horizontally together. The top nav would be slightly to the left due to the settings dropdown. This corrects that by putting `position: absolute` on the dropdown toggle.
## What are the relevant issue numbers?
Closes#18513
## Screenshots (if relevant)

See merge request !4616
`refresh` was called, `refreshing` was set to true, but then because
`document.hidden` was true, `getContent` was never called, and
`refreshing` never got reset to `false`, which stopped polling entirely
until refresh.
Fixes bulk-assign label for multiple issues not having the same labels
## What does this MR do?
Fixes a bug when bulk-assigning a label to multiple issues while the label is present in on the issues on the selection.
## Screenshots (if relevant)
**Before Bugfix**
<img src="/uploads/ad1f290bcf3930177a3a71c69cbe5325/before-bugfix.gif" width="700"/>
**After Bugfix**
<img src="/uploads/1f04d6bf027806fb13ca3773febda744/bugfix.gif" width="700"/>
## Does this MR meet the acceptance criteria?
- [x] Tests
- [x] Added for this feature/bug
- [x] All builds are passing
- [x] Branch has no merge conflicts with `master` (if you do - rebase it please)
See merge request !4602
Correctly shows label errors in dropdown
## What does this MR do?
Correctly shows any errors in the dropdown when creating a new label
## What are the relevant issue numbers?
Closes#18344
## Screenshots (if relevant)

See merge request !4553
Revert change to search all users
## What does this MR do?
Reverts a change that allowed the user to search for all users in the author/assignee dropdown
## Are there points in the code the reviewer needs to double check?
Double check it isn't still searching all users
See merge request !4564
Fixed issue where label filtering didnt work
## What does this MR do?
The filterable option was missing which meant labels in the dropdown couldn't be filtered. This fixes that.
## What are the relevant issue numbers?
Closes#18375
See merge request !4556
Add milestone expire date to the right sidebar
## What does this MR do?
Shows milestone expire date tooltip in the sidebar. It also shows the tooltip when sidebar is collapsed.
## Are there points in the code the reviewer needs to double check?
`common_utils.js.coffee` and `milestones_helper.rb` should be reviewed deeply.
## What are the relevant issue numbers?
https://gitlab.com/gitlab-org/gitlab-ce/issues/17355
## Screencast

See merge request !4448
Only load Chart.js when necessary.
Only load Chart.js where it's used, namely the Graphs section. Follow up on !4394.
cc: @jschatz1
See merge request !4516
Fix local timeago on user dashboard
## What does this MR do?
Fixes incorrect date times on tooltips on the dashboard page
## Are there points in the code the reviewer needs to double check?
Yes, The tooltip has to be recreated again because we needed a custom CSS classname in order to fix the date being splitted into two lines.
## Why was this MR needed?
Because the datetimes were incorrect we have to have the same format for .timeago() instances.
## What are the relevant issue numbers?
#17607
## Screenshots (if relevant)
**Before**
<img src="/uploads/f40cd58e8086d9675262e98a1fe57885/Screen_Shot_2016-05-24_at_7.23.25_PM.png" width="705">
**After**
<img src="/uploads/bd48046ef11659cc742f827b3404fbcd/Screen_Shot_2016-05-24_at_7.22.29_PM.png" width="704">
See merge request !4285