Add plural _INCLUDE_DIRS _LIBRARIES find cmake variables. Add gitignore file...

Add plural _INCLUDE_DIRS _LIBRARIES find cmake variables. Add gitignore file to ignore bin, build lib directories

.gitignore

+bin
+build
+lib

Findiriutils.cmake

@@ -3,6 +3,9 @@ FIND_PATH(iriutils_INCLUDE_DIR exceptions.h mutex.h mutexexceptions.h event.h ev
 FIND_LIBRARY(iriutils_LIBRARY
     NAMES iriutils
     PATHS /usr/lib/iri/iriutils /usr/local/lib /usr/local/lib/iri/iriutils) 
+    
+SET(iriutils_INCLUDE_DIRS ${iriutils_INCLUDE_DIR})
+SET(iriutils_LIBRARIES    ${iriutils_LIBRARY})
 
 IF (iriutils_INCLUDE_DIR AND iriutils_LIBRARY)
    SET(iriutils_FOUND TRUE)
@@ -16,5 +19,4 @@ ELSE (iriutils_FOUND)
    IF (iriutils_FIND_REQUIRED)
       MESSAGE(FATAL_ERROR "Could not find iriutils")
    ENDIF (iriutils_FIND_REQUIRED)
-ENDIF (iriutils_FOUND)
-
+ENDIF (iriutils_FOUND)
\ No newline at end of file