Copy media modal colors out of colors.css and into media-views.css, as the modal can be triggered on the front end.

Merges part of [26929] to the 3.8 branch.

props avryl.
props collinsinternet for the initial patch.
fixes #26677.


git-svn-id: https://develop.svn.wordpress.org/branches/3.8@26992 602fd350-edb4-49c9-b593-d223f7449a82