Some default files which escapes automator service
Registering post type for conversion bar
Displaying conversion admin UI

- Displaying conversion bar message textarea
- Removing all unwanted meta box
Adding saving conversion bar message's mechanism
Adding list of content to be selected on admin UI
Modularizing get recent content mechanism on admin

Separating get recent content mechanism into its own method
Adding ajax backed for getting recent post

And providing filterable post_type_support arguments