FEATURE: bill patron dialog on mark item damage given certain org settings. allows...

FEATURE: bill patron dialog on mark item damage given certain org settings.  allows you to override the item price for the purpose of billing and optionally specify an arbitrary billing type.  TODO: see if we need to either disable the note field in the dialog or have the middle layer make use of it.  See if we need to display both the billing type and the btype in the bills interface, or if the btype is meant to replace the billing type

git-svn-id: svn://svn.open-ils.org/ILS/trunk@14717 dcc99617-32d9-48b4-a31d-7c20da2025e4