! move the call integration hook for _modify_ settings
standardize location, allow for addons to be included in admin search
! add in a few missing config var areas that did not have hooks
! update so all follow the _modify_ and _save_ scheme

Signed-off-by: Spuds <spuds@spudsdesign.com>
Merge pull request #1477 from Spuds/i2

Standardize the integration hook "_modify_" settings