condense callback validations using new nori functions

git-svn-id: svn://fountainhead.talkpoint.com/raingutter/trunk@12714 940247f8-a3eb-dc11-81c7-0019d144f6e4
dispatcher doesn't need db type anymore

git-svn-id: svn://fountainhead.talkpoint.com/raingutter/trunk@12715 940247f8-a3eb-dc11-81c7-0019d144f6e4
todo updates

git-svn-id: svn://fountainhead.talkpoint.com/raingutter/trunk@12716 940247f8-a3eb-dc11-81c7-0019d144f6e4
add defaults for pre/post action callbacks

git-svn-id: svn://fountainhead.talkpoint.com/raingutter/trunk@12717 940247f8-a3eb-dc11-81c7-0019d144f6e4
clean up syntax nit

git-svn-id: svn://fountainhead.talkpoint.com/raingutter/trunk@12718 940247f8-a3eb-dc11-81c7-0019d144f6e4
add modular default-application functions for query args

git-svn-id: svn://fountainhead.talkpoint.com/raingutter/trunk@12719 940247f8-a3eb-dc11-81c7-0019d144f6e4
missed a bit for the default-application functions

git-svn-id: svn://fountainhead.talkpoint.com/raingutter/trunk@12720 940247f8-a3eb-dc11-81c7-0019d144f6e4
add missing config note

git-svn-id: svn://fountainhead.talkpoint.com/raingutter/trunk@12721 940247f8-a3eb-dc11-81c7-0019d144f6e4
don't mess with explicitly-supplied Nones in the settings, in apply_config_defaults()

git-svn-id: svn://fountainhead.talkpoint.com/raingutter/trunk@12722 940247f8-a3eb-dc11-81c7-0019d144f6e4
todo update

git-svn-id: svn://fountainhead.talkpoint.com/raingutter/trunk@12723 940247f8-a3eb-dc11-81c7-0019d144f6e4