added support for summittedon_date in saving & loan transaction

mifosng-db/migrations/core_db/V168_2__added_subbmittedDate_laontransaction.sql

@@ -0,0 +1,3 @@
+ALTER TABLE `m_loan_transaction` ADD `submitted_on_date` DATE NOT NULL;
+
+UPDATE `m_loan_transaction` SET `submitted_on_date`= `transaction_date` ;