Add BMP to the list of displayable image types.

props ericlewis.
fixes #26808.
Built from https://develop.svn.wordpress.org/trunk@28589


git-svn-id: http://core.svn.wordpress.org/trunk@28414 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Pass anchor text to 'edit_post_link' and 'edit_comment_link' filters.

props kwight.
fixes #28373.
Built from https://develop.svn.wordpress.org/trunk@28590


git-svn-id: http://core.svn.wordpress.org/trunk@28415 1a063a9b-81f0-0310-95a4-ce76da25c4cd