revert change to install dir; always use global install dir for now

CMakeLists.txt

@@ -24,9 +24,9 @@ IF ( NOT GLOBAL_INSTALL_DIR )
     MESSAGE( STATUS "Global install dir set to: ${GLOBAL_INSTALL_DIR}" )
 ENDIF()
 
-IF( CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT )
+#IF( CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT )
 SET( CMAKE_INSTALL_PREFIX ${GLOBAL_INSTALL_DIR}/slic )
-ENDIF()
+#ENDIF()
 
 MESSAGE( STATUS "SLIC install dir set to: ${CMAKE_INSTALL_PREFIX}" )