After 2nd RA-L submission

Add time_tolerance to class Frame

cmake_modules/wolfcoreConfig.cmake

@@ -12,7 +12,7 @@ ENDIF(wolfcore_INCLUDE_DIRS)
 FIND_LIBRARY(
     wolfcore_LIBRARIES
     NAMES libwolfcore.so libwolfcore.dylib
-    PATHS /usr/local/lib/iri-algorithms)
+    PATHS /usr/local/lib)
 IF(wolfcore_LIBRARIES)
   MESSAGE("Found wolf core lib: ${wolfcore_LIBRARIES}")
 ELSE(wolfcore_LIBRARIES)
@@ -97,3 +97,8 @@ else (NOT wolfcore_FOUND)
   list(APPEND wolfcore_INCLUDE_DIRS ${EIGEN3_INCLUDE_DIRS})
 endif(NOT wolfcore_FOUND)
 SET(CMAKE_MODULE_PATH ${BACKUP_MODULE_PATH})
+
+# provide both INCLUDE_DIR and INCLUDE_DIRS
+SET(wolfcore_INCLUDE_DIR ${wolfcore_INCLUDE_DIRS})
+# provide both LIBRARY and LIBRARIES 
+SET(wolfcore_LIBRARY ${wolfcore_LIBRARIES})