Deprecate the second argument for wp_notify_postauthor because it is unecessary. Fixes  #17862 props scribu and wonderboymusic.


git-svn-id: https://develop.svn.wordpress.org/trunk@26358 602fd350-edb4-49c9-b593-d223f7449a82
Improve the description of the Network Admin Email option to better describe what the address will be used for. Fixes #23569 props hanni, iandunn, kovshenin.


git-svn-id: https://develop.svn.wordpress.org/trunk@26359 602fd350-edb4-49c9-b593-d223f7449a82