allow setting progress message in less magical way

Author: p-rosit

skiros2_std_skills/skiros2_std_skills/thread_primitive.py

@@ -73,6 +73,13 @@ def execute(self):
             # Send any exception to the skiros gui.
             return self.fail(self.exception_msg, -1)
 
+    def set_progress_message(self, msg):
+        """
+        @brief      Set the progress message which will be reported by the
+                    skill
+        """
+        self.status = msg
+
     @final
     def _run(self):
         self._skill_state = self.run()