Wait until init to fire wp_default_scripts. Fixes localization issues when a...

Wait until init to fire wp_default_scripts. Fixes localization issues when a plugin calls wp_enqueue_script() too early (in spite of the _doing_it_wrong warning signs added in #11526). fixes #19959.

git-svn-id: https://core.svn.wordpress.org/trunk@19865 1a063a9b-81f0-0310-95a4-ce76da25c4cd