Updated version to 0.3.1

Added search of OpenCV dir when OpenCV_DIR is not set (unix)
Link UtiLite 0.2.12

git-svn-id: http://rtabmap.googlecode.com/svn/trunk/rtabmap@317 f169173b-cf89-36c8-b27e-44dbe73f0c83

cmake_modules/FindOpenCV.cmake

@@ -66,6 +66,17 @@ if(NOT OpenCV_DIR)
 	ENDIF(ROSPACK_EXEC)
 endif(NOT OpenCV_DIR)
 
+if(NOT OpenCV_DIR)
+	# typical root dirs of installations, exactly one of them is used
+	SET (OpenCV_POSSIBLE_ROOT_DIRS
+	  /usr/local
+	  /usr/opt
+	  /usr
+	  )
+    find_path(OpenCV_PATH "OpenCVConfig.cmake" HINTS ${OpenCV_POSSIBLE_ROOT_DIRS} PATH_SUFFIXES "share/opencv")
+    SET(OpenCV_DIR ${OpenCV_PATH})
+endif(NOT OpenCV_DIR)
+
 ##====================================================
 ## Find OpenCV libraries
 ##----------------------------------------------------

cmake_modules/FindUtiLite.cmake

@@ -9,7 +9,7 @@
 #
 # 
 
-SET(UTILITE_VERSION_REQUIRED 0.2.11)
+SET(UTILITE_VERSION_REQUIRED 0.2.12)
 
 SET(UTILITE_ROOT)