MIFOSX-1394 overdraft account interest calculation fix

mifosng-provider/src/main/java/org/mifosplatform/portfolio/savings/domain/SavingsAccountAssembler.java

@@ -212,9 +212,16 @@ public class SavingsAccountAssembler {
         boolean allowOverdraft = false;
         if (command.parameterExists(allowOverdraftParamName)) {
             allowOverdraft = command.booleanPrimitiveValueOfParameterNamed(allowOverdraftParamName);
+        } else {
+            allowOverdraft = product.isAllowOverdraft();
         }
 
-        final BigDecimal overdraftLimit = command.bigDecimalValueOfParameterNamedDefaultToNullIfZero(overdraftLimitParamName);
+        BigDecimal overdraftLimit = null;
+        if (command.parameterExists(overdraftLimitParamName)) {
+            overdraftLimit = command.bigDecimalValueOfParameterNamedDefaultToNullIfZero(overdraftLimitParamName);
+        } else {
+            overdraftLimit = product.overdraftLimit();
+        }
 
         boolean enforceMinRequiredBalance = false;
         if (command.parameterExists(enforceMinRequiredBalanceParamName)) {

mifosng-provider/src/main/java/org/mifosplatform/portfolio/savings/domain/SavingsAccountTransaction.java

@@ -421,6 +421,8 @@ public final class SavingsAccountTransaction extends AbstractPersistable<Long> {
 
             if (openingBalance.isGreaterThanZero()) {
                 endOfDayBalance = openingBalance.minus(getAmount(currency));
+            } else {
+                endOfDayBalance = Money.of(currency, this.runningBalance);
             }
         }