Unify module name in constructor and cfg, removing _module sufix

cfg/TiagoGripperModule.cfg

@@ -39,7 +39,7 @@ from iri_ros_tools.dyn_params import add_module_service_params,add_module_action
 gen = ParameterGenerator()
 
 #       Name                              Type       Reconfiguration level            Description                       Default   Min   Max
-add_module_params(gen,"gripper_module")
+add_module_params(gen,"gripper")
 add_module_service_params(gen,"grasp")
 motion_action=add_module_action_params(gen,"move")
 motion_action.add("close_dist",           double_t,  0,                               "Close position distance",         0.01,     0.0,  0.045)

src/tiago_gripper_client_alg_node.cpp

@@ -2,7 +2,7 @@
 
 TiagoGripperClientAlgNode::TiagoGripperClientAlgNode(void) :
   algorithm_base::IriBaseAlgorithm<TiagoGripperClientAlgorithm>(),
-  gripper_module("gripper_module",ros::this_node::getName())
+  gripper_module("gripper",ros::this_node::getName())
 {
   //init class attributes if necessary
   this->setRate(10);//in [Hz]