added stub utility functions for creating ArrayLists, appending items to ArrayLists, creating InetAddress objects, and MulticastGroup objects

Signed-off-by: Grant Limberg <glimberg@gmail.com>

java/jni/ZT1_jniutils.cpp

@@ -0,0 +1,35 @@
+#include "ZT1_jniutils.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+jobject newArrayList(JNIEnv *env)
+{
+    return NULL;
+}
+
+jobject appendItemToArrayList(JNIEnv *env, jobject object)
+{
+    return NULL;
+}
+
+jobject newIPV6Address(JNIEnv *env, char *addr)
+{
+    return NULL;
+}
+
+jobject newIPV4Address(JNIEnv *env, char *addr)
+{
+    return NULL;
+}
+
+jobject newMulticastGroup(JNIEnv *env, const ZT1_MulticastGroup &mc)
+{
+    return NULL;
+}
+
+#ifdef __cplusplus
+}
+#endif