phpdoc improvements for wp_dashboard_quota()

Props DrewAPicture, h4ck3rm1k3


git-svn-id: http://core.svn.wordpress.org/trunk@24246 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove obsolete TODO.

Props wonderboymusic
fixes #11635


git-svn-id: http://core.svn.wordpress.org/trunk@24247 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add the flickr shortlink, flic.kr, to the oEmbed default providers list.

Props Ipstenu
fixes #23052


git-svn-id: http://core.svn.wordpress.org/trunk@24248 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove redundant post ID validation.

Props SergeyBiryukov
fixes #24199


git-svn-id: http://core.svn.wordpress.org/trunk@24249 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add default args list to wp_remote_request|get|post|head docblocks

Props DrewAPicture
fixes #23838


git-svn-id: http://core.svn.wordpress.org/trunk@24250 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add a delimiter to _wp_filter_build_unique_id()'s handling of static method callbacks. props scribu, fixes #23265.



git-svn-id: http://core.svn.wordpress.org/trunk@24251 1a063a9b-81f0-0310-95a4-ce76da25c4cd