Fix a variable typo in `get_post_gallery_images()`.

props rodrigosprimo. Fixes #24202 for 3.6.

git-svn-id: http://core.svn.wordpress.org/branches/3.6@24838 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix wrong use of `esc_html_e()`.

Props ocean90. Fixes #24854 for 3.6.

git-svn-id: http://core.svn.wordpress.org/branches/3.6@24842 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Avoid racing TinyMCE, which avoids the creation of unnecessary autosaves. props azaozz. see #7392, for 3.6.

git-svn-id: http://core.svn.wordpress.org/branches/3.6@24852 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Tooltips for 3.6 features: Revisions, Post Locking.

Props siobhan. See #24832 for 3.6.

git-svn-id: http://core.svn.wordpress.org/branches/3.6@24854 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove unnecessary cap checks from [24854]. You need these capabilities (or equivalent) to access the screens for these feature pointers. see #24832.

Merges [24855] to the 3.6 branch.



git-svn-id: http://core.svn.wordpress.org/branches/3.6@24856 1a063a9b-81f0-0310-95a4-ce76da25c4cd