Twenty Fifteen: Reflect the change from "no" to "share" icon in [30810] in readme.txt.

props iamtakashi.
fixes #30148.

git-svn-id: https://develop.svn.wordpress.org/trunk@30828 602fd350-edb4-49c9-b593-d223f7449a82
TinyMCE: remove reposition delay on showing the image toolbar. Not needed when no animation. Fixes #30670.

git-svn-id: https://develop.svn.wordpress.org/trunk@30829 602fd350-edb4-49c9-b593-d223f7449a82
Fix search box position on the Add Plugins screen after resizing the window to narrower than 1000px and then back to wider than 1200px. Fixes #30658.

git-svn-id: https://develop.svn.wordpress.org/trunk@30830 602fd350-edb4-49c9-b593-d223f7449a82
Revisions: Fix initial state of `compareTwoMode`.

Broken since [30131].

fixes #30672.

git-svn-id: https://develop.svn.wordpress.org/trunk@30831 602fd350-edb4-49c9-b593-d223f7449a82
Twenty Fifteen: remove fonts as a style dependency.

Props obenland, SergeyBiryukov. Fixes #30678.

git-svn-id: https://develop.svn.wordpress.org/trunk@30832 602fd350-edb4-49c9-b593-d223f7449a82
Twenty Fifteen: update readme.txt file, props iamtakashi. See #30675.

git-svn-id: https://develop.svn.wordpress.org/trunk@30833 602fd350-edb4-49c9-b593-d223f7449a82
Twenty Fifteen: update archive pagination links to use `aria-hidden` for better accessibility.

Props SergeyBiryukov, fixes #30152.

git-svn-id: https://develop.svn.wordpress.org/trunk@30834 602fd350-edb4-49c9-b593-d223f7449a82
TinyMCE: make the tooltip for the remove button in the image toolbar translatable. Props pavelevap, fixes #30694 for trunk.

git-svn-id: https://develop.svn.wordpress.org/trunk@30835 602fd350-edb4-49c9-b593-d223f7449a82
Twenty Fifteen, editor-style: remove margin-bottom from the gallery preview inside the editor. Fixes #30697.

git-svn-id: https://develop.svn.wordpress.org/trunk@30836 602fd350-edb4-49c9-b593-d223f7449a82
Improve text for the DFW admin pointer. Remove the concatenation.
Props kpdesign, ianmjones.
See #30671.

git-svn-id: https://develop.svn.wordpress.org/trunk@30837 602fd350-edb4-49c9-b593-d223f7449a82
Twenty Fifteen: update scroll functionality to make sure child menu items are always reachable.

Props iamtakashi, fixes #30674.

git-svn-id: https://develop.svn.wordpress.org/trunk@30838 602fd350-edb4-49c9-b593-d223f7449a82
TinyMCE: add another `Edit` translatable string for the tooltip of the Edit button on the image toolbar. Props pavelevap, see #30694.

git-svn-id: https://develop.svn.wordpress.org/trunk@30839 602fd350-edb4-49c9-b593-d223f7449a82