Work on ROS2

CMakeLists.txt

@@ -17,6 +17,7 @@ rosidl_generate_interfaces(${PROJECT_NAME}
   "srv/WDBAddCapability.srv"
   "srv/WDBGeoToWorld.srv"
   "srv/WDBGetPossibleUnits.srv"
+  "srv/WDBGetCapabilities.srv"
   "srv/WDBWorldToGeo.srv"
   "srv/ExecutionLockRelease.srv"
   "srv/ExecutionLockClear.srv"

srv/WDBGetCapabilities.srv

+#
+# Get the capabilities that this unit have
+#
+
+---
+string[] capabilities
+bool success
+int32 error
+string reason