Resolve "remove `vision_utils/` from the path found by Findvision_utils"

Closes #4 (closed)

cmake_modules/Findvision_utils.cmake

 #edit the following line to add the librarie's header files
 FIND_PATH(vision_utils_INCLUDE_DIR vision_utils.h /usr/include/vision_utils /usr/local/include/vision_utils)
 
+#change INCLUDE_DIRS to its parent directory
+get_filename_component(vision_utils_INCLUDE_DIR ${vision_utils_INCLUDE_DIR} DIRECTORY)
+
 FIND_LIBRARY(vision_utils_LIBRARY
     NAMES vision_utils
-    PATHS /usr/lib /usr/local/lib /usr/local/lib/vision_utils) 
+    PATHS /usr/lib /usr/local/lib) 
 
 IF (vision_utils_INCLUDE_DIR AND vision_utils_LIBRARY)
    SET(vision_utils_FOUND TRUE)
+   SET(vision_utils_INCLUDE_DIRS ${vision_utils_INCLUDE_DIR})
+   SET(vision_utils_LIBRARIES ${vision_utils_LIBRARY})
 ENDIF (vision_utils_INCLUDE_DIR AND vision_utils_LIBRARY)
 
 IF (vision_utils_FOUND)