Add a composer.json file
Remove the new user_new_form hook from the network admin, pending further review. see #18709.

Built from https://develop.svn.wordpress.org/trunk@25631


git-svn-id: http://core.svn.wordpress.org/trunk@25548 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Merge branch 'master' of https://github.com/WordPress/WordPress