Solved a bug in the module namspace generation:

  all sub-modules and action and service wrappers should use this->module_nh.getNamespace() for the namespace parameter.
  all modules used directly from a ROS node should use ros::this_node::getName().

include/iri_ros_tools/module.h

@@ -241,7 +241,7 @@ template<class ModuleCfg>
 CModule<ModuleCfg>::CModule(const std::string &name,const std::string &name_space) : 
   module_rate(MODULE_DEFAULT_RATE), 
   dyn_reconf(module_nh),
-  module_nh(ros::this_node::getName()+"/"+name_space+"/"+name)
+  module_nh(name_space+"/"+name)
 {
   try
   {