mifosx-816 : corrected loan variations to pick based on loan product count
Merge pull request #690 from pramodn02/MIFOSX-816

mifosx-816 : corrected loan variations to pick based on loan product cou...
fix for MIFOSX-820
fix for MIFOSX-818
fix for MIFOSX-821
fix for MIFOSX-822
Update CHANGELOG.md
adding instructions for deploying the community app
updates for 1.15.2 release