Updating to use JDK 7 and created gradle wrapper
Merge pull request #642 from ugupta/develop

Updating to use JDK 7 and created gradle wrapper
switch back to 1.6 compile settings for time being.
MIFOSX-760: ensure charges cache is evicted on update.
update platform dependency versions.
MIFOS-762 - Fixed SubmittedBy userID for creating new savings
Merge pull request #649 from Musoni/MIFOSX-762

MIFOS-762 - Fixed SubmittedBy userID for creating new savings
Added validation for meeting frequency, weekdays and start date for Calendar
Merge pull request #650 from ashok-conflux/MIFOSX-682

Added validation for meeting frequency, repeats on day and start date for Calendar
update changelog for 1.13.3 bug release