Implemented a basic NIO socket channel interface. Non-blocking socket channels

and server socket channels are implemented.  This version works but only when
libnative is linked with g++ (because of C++ object creation code that fails
without this linking)

classpath/java/net/InetSocketAddress.java

@@ -0,0 +1,19 @@
+package java.net;
+
+public class InetSocketAddress {
+  private final String host;
+  private final int port;
+
+  public InetSocketAddress(String host, int port) {
+    this.host = host;
+    this.port = port;
+  }
+
+  public String getHostName() {
+    return host;
+  }
+
+  public int getPort() {
+    return port;
+  }
+}