After cmake and const refactors

cmake_modules/wolfimuConfig.cmake

-#edit the following line to add the librarie's header files
-FIND_PATH(
-    wolfimu_INCLUDE_DIRS
-    NAMES imu.found
-    PATHS /usr/local/include/iri-algorithms/wolf/plugin_imu)
-IF(wolfimu_INCLUDE_DIRS)
-  MESSAGE("Found wolf imu include dirs: ${wolfimu_INCLUDE_DIRS}")
-ELSE(wolfimu_INCLUDE_DIRS)
-  MESSAGE("Couldn't find wolf imu include dirs")
-ENDIF(wolfimu_INCLUDE_DIRS)
-
-FIND_LIBRARY(
-    wolfimu_LIBRARIES
-    NAMES libwolfimu.so libwolfimu.dylib
-    PATHS /usr/local/lib)
-IF(wolfimu_LIBRARIES)
-  MESSAGE("Found wolf imu lib: ${wolfimu_LIBRARIES}")
-ELSE(wolfimu_LIBRARIES)
-  MESSAGE("Couldn't find wolf imu lib")
-ENDIF(wolfimu_LIBRARIES)
-
-IF (wolfimu_INCLUDE_DIRS AND wolfimu_LIBRARIES)
-   SET(wolfimu_FOUND TRUE)
- ELSE(wolfimu_INCLUDE_DIRS AND wolfimu_LIBRARIES)
-   set(wolfimu_FOUND FALSE)
-ENDIF (wolfimu_INCLUDE_DIRS AND wolfimu_LIBRARIES)
-
-IF (wolfimu_FOUND)
-   IF (NOT wolfimu_FIND_QUIETLY)
-      MESSAGE(STATUS "Found wolf imu: ${wolfimu_LIBRARIES}")
-   ENDIF (NOT wolfimu_FIND_QUIETLY)
-ELSE (wolfimu_FOUND)
-   IF (wolfimu_FIND_REQUIRED)
-      MESSAGE(FATAL_ERROR "Could not find wolf imu")
-   ENDIF (wolfimu_FIND_REQUIRED)
-ENDIF (wolfimu_FOUND)
-
-
-macro(wolf_report_not_found REASON_MSG)
-  set(wolfimu_FOUND FALSE)
-  unset(wolfimu_INCLUDE_DIRS)
-  unset(wolfimu_LIBRARIES)
-
-  # Reset the CMake module path to its state when this script was called.
-  set(CMAKE_MODULE_PATH ${CALLERS_CMAKE_MODULE_PATH})
-
-  # Note <package>_FIND_[REQUIRED/QUIETLY] variables defined by
-  # FindPackage() use the camelcase library name, not uppercase.
-  if (wolfimu_FIND_QUIETLY)
-    message(STATUS "Failed to find wolf imu- " ${REASON_MSG} ${ARGN})
-  elseif(wolfimu_FIND_REQUIRED)
-    message(FATAL_ERROR "Failed to find wolf imu - " ${REASON_MSG} ${ARGN})
-  else()
-    # Neither QUIETLY nor REQUIRED, use SEND_ERROR which emits an error
-    # that prevents generation, but continues configuration.
-    message(SEND_ERROR "Failed to find wolf imu - " ${REASON_MSG} ${ARGN})
-  endif ()
-  return()
-endmacro(wolf_report_not_found)
-
-if(NOT wolfimu_FOUND)
-  wolf_report_not_found("Something went wrong while setting up wolf imu.")
-endif(NOT wolfimu_FOUND)
-# Set the include directories for wolf (itself).
-set(wolfimu_FOUND TRUE)
-
-# Now we gather all the required dependencies for Wolf imu
-if(NOT wolf_FOUND)
-  FIND_PACKAGE(wolfcore REQUIRED)
-
-  #We reverse in order to insert at the start
-  list(REVERSE wolfimu_INCLUDE_DIRS)
-  list(APPEND wolfimu_INCLUDE_DIRS ${wolfcore_INCLUDE_DIRS})
-  list(REVERSE wolfimu_INCLUDE_DIRS)
-
-  list(REVERSE wolfimu_LIBRARIES)
-  list(APPEND wolfimu_LIBRARIES ${wolfcore_LIBRARIES})
-  list(REVERSE wolfimu_LIBRARIES)
-endif()
-
-# provide both INCLUDE_DIR and INCLUDE_DIRS
-SET(wolfimu_INCLUDE_DIR ${wolfimu_INCLUDE_DIRS})
-# provide both LIBRARY and LIBRARIES 
-SET(wolfimu_LIBRARY ${wolfimu_LIBRARIES})