Enabling hierarchical compare

The 'MDX_MIC_HIERARCHY' variable can be used to enable the hierarchical compare function:

;;;----------------------------------------------------------------------------
;;; MDX_MIC_HIERARCHY: Static
;;;   Support Hierarchical Compare
;;;----------------------------------------------------------------------------
;; MDX_MIC_HIERARCHY = t

'MDX_MIC_HIERARCHY' is set in the 'versic.conf' file located under the path specified by the 'VSC_CONFIG_DIR' environment variable.