Refactor inheritance in armem/core

• Remove common base classes and virtual inheritance
• Move constructors and operators to base classes
• Add tests for copy/move constructors and operators

source/RobotAPI/libraries/armem/test/ArMemMemoryIDTest.cpp

@@ -137,3 +137,30 @@ BOOST_AUTO_TEST_CASE(test_MemoryID_from_to_string)
 
 }
 
+
+BOOST_AUTO_TEST_CASE(test_MemoryID_copy_move_ctors_ops)
+{
+    const armem::MemoryID id("A/B/C/123/1"), moved("////1");  // int is not moved
+    {
+        const armem::MemoryID out(id);
+        BOOST_CHECK_EQUAL(out, id);
+    }
+    {
+        armem::MemoryID out;
+        out = id;
+        BOOST_CHECK_EQUAL(out, id);
+    }
+    {
+        armem::MemoryID in = id;
+        const armem::MemoryID out(std::move(in));
+        BOOST_CHECK_EQUAL(in, moved);
+        BOOST_CHECK_EQUAL(out, id);
+    }
+    {
+        armem::MemoryID in = id;
+        armem::MemoryID out;
+        out = std::move(in);
+        BOOST_CHECK_EQUAL(in, moved);
+        BOOST_CHECK_EQUAL(out, id);
+    }
+}