Consolidate similar menu locations strings. props DrewAPicture. fixes #24945.
Built from https://develop.svn.wordpress.org/trunk@25218


git-svn-id: http://core.svn.wordpress.org/trunk@25189 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Core Updates: Switch to using a new 1.7 version check API which will return extra auto-update packages when requested over SSL. The new API has switched to returning JSON. See #22704

Built from https://develop.svn.wordpress.org/trunk@25219


git-svn-id: http://core.svn.wordpress.org/trunk@25190 1a063a9b-81f0-0310-95a4-ce76da25c4cd