openMF/mifosx — pull request #1132 by Nayan (2014-11-08 14:11:40+00:00)
Title: #MIFOSX-1068 Option to change approved amount during loan approval

###### Features
1> Allows approver to change the approved amount, non zero and less than or equal to proposed loan amount.
2> On undo of approve, restores approved amount back.

Check list
- [x] Integration test cases written
- [x] Pull request has a Jira issue
- [x] JIRA number as a part of the commit message
- [x] Code has been formatted
- [x] Work is present in a single commit
- [x] Rebased on top of the latest code from develop branch
- [ ] "gradlew licenseFormatMain licenseFormatTest licenseFormatIntegrationTest" has been run, Not, license is manually added.
- [x ] API documentation done