Merge wp_dashboard_recent_quickdrafts() into wp_dashboard_quick_press(). see #25824.


git-svn-id: https://develop.svn.wordpress.org/trunk@26221 602fd350-edb4-49c9-b593-d223f7449a82
Add JavaScript tests for shortcode.js.

props jorbin, iandunn.
see #25784.


git-svn-id: https://develop.svn.wordpress.org/trunk@26222 602fd350-edb4-49c9-b593-d223f7449a82