Merged very large and much appreciated patch from Chris Johns

<cjohns@plessey.com.au>.  This patch includes the ods68302 bsp,
the RTEMS++ class library, and the rtems++ test.

testsuites/samples/cdtest/main.cc

@@ -21,7 +21,9 @@
 
 #include <rtems.h>
 #include <stdio.h>
+#ifdef RTEMS_TEST_IO_STREAM
 #include <iostream.h>
+#endif
 
 extern "C" {
 extern rtems_task main_task(rtems_task_argument);
@@ -108,7 +110,11 @@ cdtest(void)
     A bar, blech, blah;
     B bleak;
 
+#ifdef RTEMS_TEST_IO_STREAM
     cout << "Testing a C++ I/O stream" << endl;
+#else
+    printf("IO Stream not tested\n");
+#endif
 
     bar = blech;
 }