Initial Commit

WordPress Media Editor box shows up and allows multi-select
Selections are returned via console.log and can be used
Metaboxes are placed on appropriate post type edit screens
Everything now works, but reloaded controls don't.
Reloaded controls now work
Adds a bit of styling - newly loaded elements still don't get events applied.
Newly generated elements now keep events
Styling and cleanup
Remove references to public scripts and styles
Adds global utility functions for use in themes
Added README and screenshot