moved doc/examples to examples according to new build process

examples/shared.cxx

@@ -0,0 +1,30 @@
+/*! @file
+
+    @id $Id$
+*/
+//       1         2         3         4         5         6         7         8
+// 45678901234567890123456789012345678901234567890123456789012345678901234567890
+
+#include <mrw/shared.hxx>
+
+#include <iostream>
+
+class Test {
+  public:
+    Test(int i): _int1(i), _int2(0) {}
+    Test(int i, int j): _int1(i), _int2(j) {}
+    int _int1;
+    int _int2;
+};
+
+int main(int, char**) {
+  mrw::Shared<Test> test1(15);
+  mrw::Shared<Test> test2(13, 14);
+  mrw::Shared<Test> test3(new Test(13));
+  mrw::Shared<Test> test4(test2);
+  std::cout<<"test1="<<test1->_int1<<", "<<test1->_int2<<std::endl
+           <<"test2="<<test2->_int1<<", "<<test2->_int2<<std::endl
+           <<"test3="<<test3->_int1<<", "<<test3->_int2<<std::endl
+           <<"test4="<<test4->_int1<<", "<<test4->_int2<<std::endl;
+  return 0;
+}