Add author_name field to post_params to the engines docs
Merge pull request #11830 from cr0t/master

Fixed small mistake in the engines docs
Execute conditional procs on controller filters only for current action.

:only and :except options for controller filters are now added before
:if and :unless. This prevents running :if and :unless procs when not
on the specified. Closes #11786.
Merge pull request #11799 from njakobsen/fix-controller-filter-callbacks

Execute conditional procs on controller filters only for current action