Rename all C++0x to C++11 and cpp0x to cpp11

Examples/test-suite/cpp11_unrestricted_unions.i

@@ -0,0 +1,23 @@
+/* This testcase checks whether SWIG correctly parses the support for types
+   without the defined trivial constructor in the unions. */
+%module cpp11_unrestricted_unions
+
+%inline %{
+struct point {
+  point() {}
+  point(int x, int y) : x_(x), y_(y) {}
+  int x_, y_;
+};
+
+#include <new> // For placement 'new' in the constructor below
+union P {
+  int z;
+  double w;
+  point p; // Illegal in C++03; legal in C++11.
+  // Due to the point member, a constructor definition is required.
+  P() {
+    new(&p) point();
+  }
+} p1;
+%}
+