ADD: new track message, Entity class and Position class

cmake/Modules/add_my_test.cmake

@@ -0,0 +1,22 @@
+get_property(_ADD_MY_TEST GLOBAL PROPERTY _ADD_MY_TEST)
+IF (NOT _ADD_MY_TEST)
+
+  # set that we have defined GENERATE_CCCC
+  set_property(GLOBAL PROPERTY _ADD_MY_TEST "YES")
+
+
+  FUNCTION(ADD_MY_TEST)
+    CMAKE_PARSE_ARGUMENTS(ARG  "" "TEST" "SOURCES;LIBS" ${ARGN})
+    get_property(_mytests GLOBAL PROPERTY _mytests)
+
+    list(APPEND _mytests "${ARG_TEST}")
+
+    add_executable(${ARG_TEST} ${ARG_SOURCES})
+    target_link_libraries(${ARG_TEST} ${ARG_LIBS})
+    add_test(${ARG_TEST} ${ARG_TEST})
+
+    set_property(GLOBAL PROPERTY _mytests ${_mytests})
+  ENDFUNCTION()
+
+
+ENDIF()