0.5.0
* Changes for WP 3.9.0 (editor now works on the admin customization page as well as on the admin widgets page)
* Most of the following changes thanks to @cfoellmann (https://github.com/cfoellmann):
* Added filter `wp_editor_widget_ops`
* Added filter `wp_editor_widget_update_instance`
* Added action `wp_editor_widget_update`
* Removed constant variable textdomain
* Changed textdomain to wordpress.org plugin id name
* Split widget class into it's own file
* Limited asset loading to widgets.php
* Changed PHP code style to WP standard

git-svn-id: https://plugins.svn.wordpress.org/wp-editor-widget/trunk@895106 b8457f37-d9ea-0310-8a92-e5e31aec5664