Update find cmake adding correct header files to look up for

Findmodel_car_drivers.cmake

 #edit the following line to add the librarie's header files
 SET(name model_car_drivers)
-FIND_PATH(${name}_INCLUDE_DIRS ${name}.h /usr/local/include/iri/${name} /usr/include/iri/${name})
+
+SET(header_files 
+  model_car_actuators.h 
+  model_car_egomotion.h 
+  model_car_ultrasounds.h 
+  model_car_batteries.h 
+  model_car_exceptions.h 
+  model_car_driver_base.h 
+  model_car_protocol.h)
+
+FIND_PATH(${name}_INCLUDE_DIRS ${header_files} /usr/local/include/iri/${name} /usr/include/iri/${name})
 
 FIND_LIBRARY(${name}_LIBRARIES
     NAMES ${name}
@@ -21,4 +31,4 @@ ELSE (${name}_FOUND)
    IF (${name}_FIND_REQUIRED)
       MESSAGE(FATAL_ERROR "Could not find ${name}")
    ENDIF (${name}_FIND_REQUIRED)
-ENDIF (${name}_FOUND)
\ No newline at end of file
+ENDIF (${name}_FOUND)