-Changes made to update today's date in status_date and aprv_date column.

EmpLvePrkBalTrfDefault.java
- Changes made to show error message if data already exist in detail
- Changes made to update exp_date proper in detail
 
 LveEncArrCanc.java
 -Changes made to check leave encashment arrears cancellation by aprv_date order


git-svn-id: http://15.206.35.175/svn/proteus/business-java/trunk@191191 ce508802-f39f-4f6c-b175-0d175dae99d5