updated android/osx project and example project structure

integrations/android/android_jni_lib/proj/README.md

@@ -0,0 +1,16 @@
+ZeroTier One for Android
+=====
+
+Fully integrated build of ZeroTier JNI + the Android application.
+
+
+To Build
+------
+
+1. Open project in Android Studio (Eclipse is not supported)
+2. Open the file local.properties
+3. Add the following line:
+
+    `ndk.dir=/path/to/your/local/ndk`
+
+Once that is done, it should be buildable, runnable, debuggable, etc.