KFSCNTRB-1536: changes following code review session

git-svn-id: https://svn.kuali.org/repos/kfs/branches/release-5-3@44587 05dbba50-812c-11dd-b2f5-a7aa3c7f87f7
merged from release-5-2-2

git-svn-id: https://svn.kuali.org/repos/kfs/branches/release-5-3@44588 05dbba50-812c-11dd-b2f5-a7aa3c7f87f7
KFSTP-1262: addition to the work done for KFSTP-1210, we pulled create date over to the FS_DOC_HEADER_T table and then used that to determine oldest PO to put notes on

git-svn-id: https://svn.kuali.org/repos/kfs/branches/release-5-3@44591 05dbba50-812c-11dd-b2f5-a7aa3c7f87f7
KFSCNTRB-1747- a few changes per James and Kevin's code review comments

git-svn-id: https://svn.kuali.org/repos/kfs/branches/release-5-3@44593 05dbba50-812c-11dd-b2f5-a7aa3c7f87f7
KFSTP-1262: add helpful index, as suggested by Josh Clark

git-svn-id: https://svn.kuali.org/repos/kfs/branches/release-5-3@44594 05dbba50-812c-11dd-b2f5-a7aa3c7f87f7