commit two new date utility method to get current date (provided by
yang)

by kim 26/08/2014
change from java.util.Date to java.sql.Date

by Kim To, 26/08/2014
commit change:
- initialise set using Hashset
- provide cascade insert for Client Disabilities and Addresses, when
inserting new Contact record
- update ContactInsertTest for those above

by Kim To, 26/08/2014
changes:
- test for insert in 2 ways and delete addresses
- update contacts hbm to allow delete child objects: addresses, client
disabilities & contact employments
- test for delete contact

by Kim To, 27/08.2014 2:03 am
commit changes related to enquiry:
- allow cascade on insert-update to releveant enquiry issues when
update/insert enquiry
- test on insert/update/delete

by Kim To, 27/08/2014 18:55
Merge remote-tracking branch 'origin/Kim'

Conflicts:
	IANEW/src/uow/ia/util/DateUtil.java

	By Yang
	27 Aug 2014