Merge pull request #611 from vishwasbabu/mifosplatform-1.10.3

cleaning up accounting integration for savings
Merge pull request #612 from vishwasbabu/mifosplatform-1.10.3

fix for daily interest calculation with declining balance
MIFOSX-694: add missing users cache to ehcache xml file.
Added existing transaction id’s for accounting purpose
Merge pull request #614 from pramodn02/MIFOSX-699

Mifosx 699
handle overpayments and refunds in accounting