Updated io project.
Added code to get total page numbers from a thread.
And delete post decreases the thread number of posts.
Fixed error with JPA.

Can now see the num posts field.
Added tests for getting post number.
Updated Natch io
Different edit thread rest method now.

This one simply ensures you don't check if there's a missing subject.
Added new rest methods to auth list.

Fixed some bugs.
Merge branch 'master' into previous-model-version