[MIFOSX-1514] Refund for Active Loans

Here are the JIRA tasks associated with this pull request

EPIC:
 https://mifosforge.jira.com/browse/MIFOSX-1514

Tasks
https://mifosforge.jira.com/browse/MIFOSX-1515
https://mifosforge.jira.com/browse/MIFOSX-1518
https://mifosforge.jira.com/browse/MIFOSX-1519
https://mifosforge.jira.com/browse/MIFOSX-1520
https://mifosforge.jira.com/browse/MIFOSX-1609