Added JSON optional output when in console mode (see --json option)

Added --scene option to process a single scene file
Moved some apps in tools subfolder


git-svn-id: http://find-object.googlecode.com/svn/trunk/find_object@362 620bd6b2-0a58-f614-fd9a-1bd335dccda9

cmake_modules/FindJSONCPP.cmake

@@ -0,0 +1,29 @@
+# - Find JSONCPP
+# This module finds an installed JSONCPP package.
+#
+# It sets the following variables:
+#  JSONCPP_FOUND       - Set to false, or undefined, if JSONCPP isn't found.
+#  JSONCPP_INCLUDE_DIRS - The JSONCPP include directory.
+#  JSONCPP_LIBRARIES     - The JSONCPP library to link against.
+
+FIND_PATH(JSONCPP_INCLUDE_DIRS json/features.h PATH_SUFFIXES jsoncpp)
+
+FIND_LIBRARY(JSONCPP_LIBRARY NAMES jsoncpp)
+
+IF (JSONCPP_INCLUDE_DIRS AND JSONCPP_LIBRARY)
+   SET(JSONCPP_FOUND TRUE)
+ENDIF (JSONCPP_INCLUDE_DIRS AND JSONCPP_LIBRARY)
+
+IF (JSONCPP_FOUND)
+   # show which JSONCPP was found only if not quiet
+   SET(JSONCPP_LIBRARIES ${JSONCPP_LIBRARY})
+   IF (NOT JSONCPP_FIND_QUIETLY)
+      MESSAGE(STATUS "Found JSONCPP: ${JSONCPP_LIBRARIES}")
+   ENDIF (NOT JSONCPP_FIND_QUIETLY)
+ELSE (JSONCPP_FOUND)
+   # fatal error if JSONCPP is required but not found
+   IF (JSONCPP_FIND_REQUIRED)
+      MESSAGE(FATAL_ERROR "Could not find JSONCPP (libjsoncpp)")
+   ENDIF (JSONCPP_FIND_REQUIRED)
+ENDIF (JSONCPP_FOUND)
+