Renamed _INCLUDE_DIR -> _INCLUDE_DIRS & _LIBRARY -> _LIBRARIES

cmake_modules/wolflaserConfig.cmake

 #edit the following line to add the librarie's header files
 FIND_PATH(
-    wolflaser_INCLUDE_DIR
+    wolflaser_INCLUDE_DIRS
     NAMES laser.found
     PATHS /usr/local/include/iri-algorithms/wolf/plugin_laser)
-IF(wolflaser_INCLUDE_DIR)
-  MESSAGE("Found laser include dirs: ${wolflaser_INCLUDE_DIR}")
-ELSE(wolflaser_INCLUDE_DIR)
+IF(wolflaser_INCLUDE_DIRS)
+  MESSAGE("Found laser include dirs: ${wolflaser_INCLUDE_DIRS}")
+ELSE(wolflaser_INCLUDE_DIRS)
   MESSAGE("Couldn't find laser include dirs")
-ENDIF(wolflaser_INCLUDE_DIR)
+ENDIF(wolflaser_INCLUDE_DIRS)
 
 FIND_LIBRARY(
-    wolflaser_LIBRARY
+    wolflaser_LIBRARIES
     NAMES libwolflaser.so
     PATHS /usr/local/lib/iri-algorithms)
-IF(wolflaser_LIBRARY)
-  MESSAGE("Found laser lib: ${wolflaser_LIBRARY}")
-ELSE(wolflaser_LIBRARY)
+IF(wolflaser_LIBRARIES)
+  MESSAGE("Found laser lib: ${wolflaser_LIBRARIES}")
+ELSE(wolflaser_LIBRARIES)
   MESSAGE("Couldn't find wolf laser lib")
-ENDIF(wolflaser_LIBRARY)
+ENDIF(wolflaser_LIBRARIES)
 
-IF (wolflaser_INCLUDE_DIR AND wolflaser_LIBRARY)
+IF (wolflaser_INCLUDE_DIRS AND wolflaser_LIBRARIES)
    SET(wolflaser_FOUND TRUE)
- ELSE(wolflaser_INCLUDE_DIR AND wolflaser_LIBRARY)
+ ELSE(wolflaser_INCLUDE_DIRS AND wolflaser_LIBRARIES)
    set(wolflaser_FOUND FALSE)
-ENDIF (wolflaser_INCLUDE_DIR AND wolflaser_LIBRARY)
+ENDIF (wolflaser_INCLUDE_DIRS AND wolflaser_LIBRARIES)
 
 IF (wolflaser_FOUND)
    IF (NOT wolflaser_FIND_QUIETLY)
-      MESSAGE(STATUS "Found laser: ${wolflaser_LIBRARY}")
+      MESSAGE(STATUS "Found laser: ${wolflaser_LIBRARIES}")
    ENDIF (NOT wolflaser_FIND_QUIETLY)
 ELSE (wolflaser_FOUND)
    IF (wolflaser_FIND_REQUIRED)
@@ -38,7 +38,7 @@ ENDIF (wolflaser_FOUND)
 
 macro(wolf_report_not_found REASON_MSG)
   set(wolflaser_FOUND FALSE)
-  unset(wolflaser_INCLUDE_DIR)
+  unset(wolflaser_INCLUDE_DIRS)
   unset(wolflaser_LIBRARIES)
 
   # Reset the CMake module path to its state when this script was called.