update gradle.properties for 1.16.1 release
update gradle.properties for 1.16.1 release

Vishwa1311/incubator-fineract,RanjithKumar5550/RanMifos,RanjithKumar5550/RanMifos,Vishwa1311/incubator-fineract,RanjithKumar5550/RanMifos,Vishwa1311/incubator-fineract