Add template_default_cache runtime tests

Also correct illegal C++ namespace names

Examples/test-suite/java/template_default_cache_runme.java

@@ -0,0 +1,18 @@
+import template_default_cache.*;
+
+public class template_default_cache_runme {
+
+  static {
+    try {
+	System.loadLibrary("template_default_cache");
+    } catch (UnsatisfiedLinkError e) {
+      System.err.println("Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" + e);
+      System.exit(1);
+    }
+  }
+
+  public static void main(String argv[]) {
+    AModelPtr ap = template_default_cache.get_mp_a();
+    BModelPtr bp = template_default_cache.get_mp_b();
+  }
+}