ZOOKEEPER-1670. zookeeper should set a default value for SERVER_JVMFLAGS and CLIENT_JVMFLAGS so that memory usage is controlled (Arpit Gupta via fpj)


git-svn-id: https://svn.apache.org/repos/asf/zookeeper/trunk@1519655 13f79535-47bb-0310-9956-ffa450edef68