Add datatables functionality to loan product and savings product entities
For same loan same guarantor can be associate more than once(fixed)
Loan is getting approved for a Closed client(fixed)
Merge pull request #421 from goutham-M/mifosx-528

For same loan same guarantor can be associate more than once(fixed)
Merge pull request #422 from goutham-M/mifosx-531

Loan is getting approved for a Closed client(fixed)
Enable datatable functionality for savings products and loan products
Merge remote-tracking branch 'sander/master' into develop
Merge remote-tracking branch 'upstream/develop'