Principal amount displayed after submission of Recurring Deposit application is showing wrong value

Reported by Subramanya at https://mifosforge.jira.com/browse/MIFOSX-1588
Original Description:
1. Create a Recurring deposit product and a client,
2. Submit a New Recurring deposit application for the above mentioned client with submitted on date as 28 August 2014, Recurring Deposit Amount = 1000, Deposit Frequency = 1 month and deposit Period = 12 months also enter other valid inputs and click on save button.
> The Principal amount is displaying as 13,000 instead of 12,000,
Same issue exists if the submitted date is 30th and 31st also.