fix minor issues in Mifosx-437
MIFOSX-748: update api documentation, resolve null pointers when creating charge with empty request.
update AMI instructions
Update INSTALL.md
update release properties.
Update INSTALL.md
Update CHANGELOG.md
update release properties for develop branch.
MIFOSX-734: add further information on transaction processing strategy feature on platform.
MIFOSX-733: undo of disbural when sending no note parameter was causing null pointer. Fix ensures null pointer exception doesnt occur when checking for existence of a parameter when no request body exists.
MIFOSX-715: if the image resource is missing for whatever reason (backup didnt copy filestructure, someone removed file) pass back approp error message from API.
udpate changelog for 1.13.1 release
MIFOSX-749, MIFSOX-750: client search using search term and office hierarchy scoping were no longer working.
Updating INSTALL.md for JDK 7
MIFOSX-750: earlier fix was incorrect and messed up paging results.
MIFOSX-721: fix issue with daily interest calculation when using interest charged from date feature.
Merge pull request #643 from ugupta/patch-1

Updating INSTALL.md for JDK 7
MIFOSX-729: For flat loans, daily interest calculation not using daily periods when calulating interest, it was still using the installment period and as a result the interest calculated was not correct.
MIFOSX-722: approximate EMI for daily interest method
update changelog for 1.13.2 bug release