Adding service for destroying an executor

CMakeLists.txt

@@ -56,6 +56,7 @@ add_service_files(
   FILES
   TSTAbortExecutor.srv
   TSTCreateExecutor.srv
+  TSTDestroyExecutor.srv
   TSTExecutorCheck.srv
   TSTExecutorContinue.srv
   TSTExecutorExpand.srv

srv/TSTDestroyExecutor.srv

+#
+# The executor is accessed by ns and id.
+#
+
+string ns        # Namespace for the tstfactory
+int32 id         # id for the TST node in the TST Node Factory
+---
+bool success
+int32 error
+string reason