Updated Makefile to use new jni-updates branch.
Updated Makefile to use new jni-updates branch.

ellitron/RAMCloudTools,jdellithorpe/RAMCloudUtils,ellitron/RAMCloudTools,jdellithorpe/RAMCloudUtils,jdellithorpe/RAMCloudTools,ellitron/RAMCloudTools,jdellithorpe/RAMCloudTools,jdellithorpe/RAMCloudUtils