Version 0.4.0

- updated many nodes from mock status to their actual code source
- update messages to match current ROS4HRI REP
- other minor changes

README.md

@@ -3,7 +3,7 @@
 This repository contains high-level documentation of the H2020 SPRING
 architecture, as well as mock ROS nodes for all the architecture modules.
 
-![Screenshot of the architecture, displayed in Boxology](doc/architecture-boxology.png)
+![Screenshot of the architecture, displayed in Boxology](doc/architecture-boxology.jpg)
 
 You can view a textual version of the architecture here:
 [spring-architecture.md](spring-architecture.md).