Set edit post shortcut to 'enter'

closes #2308
Finish Debug screen for Ember admin

Closes #2847
Merge pull request #3091 from jaswilli/debug

Finish Debug screen for Ember admin
Add vertical table alignment class
Prevent cover image `<img>` having a max height.
Allow tabbing responsive editor when not on mobile.

fixes #3095
- Add `click` event to floatingheader
Fix tags UI issue

Closes https://github.com/TryGhost/Ghost/issues/2491 & #27

- Adjust the widths of the tags wrapper element and move gradient to
the edge of said wrapper
Merge pull request #3098 from halfdan/3095-non-mobile-tabbing

Allow tabbing responsive editor when not on mobile.
Stay on posts.index route when no posts exist

No Issue
Remove extra shadow & left border on post settings button

Closes #49

- Remove shadow from the post settings button
- Remove left border from split buttons globally
Merge pull request #3104 from jaswilli/route-undefined

Stay on posts.index route when no posts exist
Stop Markdown help icon from moving

No issue

The markdown help icon would move when `<body>` gets a class of
`editor`. The class wasn't needed, so it's gone from the selector now.
Add off as a noop function to touch editor.

Closes #3107
Merge pull request #3108 from novaugust/touch-editor-off

Add off as a noop function to touch editor.
Add extra padding to post edit/settings buttons

Closes #39
Close notifications on user action properly.

fixes #3105, refs #3012
- Add additional closeAll() calls where users interact with data
fixing issue where the cursor indicator would no longer flash

fixes #51
- removing styles that conflicted with the original CodeMiror styles
Merge pull request #52 from morficus/missing-flashing-cursor

fixing issue where the cursor indicator would no longer flash
Change text on leave modal cancel button

issue #3106
Show correct post notificatons based on status.

closes #2850
- Add messageMap from old admin
- Add two methods to pick the correct notification based on prev status and current status