IDL:

IDL:
added pcrud <retrieve> entry for acq selection list.
added selector columns to PL and PO.
removed now-virtual item_count column from acq.acq_lineitem_history
repaired faulty pcrud actions stanza for acq po

AutoGrid
added a readOnly edit mode to AutoGrid.  this will allow users to pop up the edit dialog for copy/paste, since it is not (currently) possible to copy values directly from a dojo grid

new UIs
added a lineitem history ui which shows the audit values from a given lineitem
added a po history ui which shows the audit values from a given po

git-svn-id: svn://svn.open-ils.org/ILS/trunk@16316 dcc99617-32d9-48b4-a31d-7c20da2025e4