* Add pagination when listing editions (40 per page)
* Add link to quick create a new edition row (just one click)
* Add option to delete an edition
* Add option to preformat the edition name when created by quick process
* Change the way editions were ordered. Now is for 'number' field
* Add Str::slugify() to parse the edition slug when saving

git-svn-id: https://plugins.svn.wordpress.org/bb-edition-control/trunk@855273 b8457f37-d9ea-0310-8a92-e5e31aec5664