-Remove rollack and commit from post save component of porcp object
-Data get partially commited in case of channel partner if any exception occured then system committed the receipt data and other data will get rollbacked

PostOrdInvoiceGen.java
-Changes made to throw exception from getDueDate method
-Changes made to check cr_days  null,If cr days got null then system set 0 for cr_days.(Issue - while parsing null numer format exception occured)

git-svn-id: http://15.206.35.175/svn/proteus/business-java/trunk@196653 ce508802-f39f-4f6c-b175-0d175dae99d5