New option: hide in blogs overview
Add collection() convenience method.
Remove minimized javascript.
Add Ajax JSON handler.
Added prelminary support for proper bulk actions.
Bulk work.
Remove user actions. New post_action action.
New post\actions classes.
Added post actions.
Do actions to single children.
SDK update
Revert "SDK update"

This reverts commit 7e6ed23dd46b1c3f65e6089400826bfb38d93708.
Move tabs. Better post action explanations.
SDK update.
Removed the 3wp_broadcast user data table.
Merge branch 'bulk'