cvsserver: Allow to override the configuration per access method Allow to override the gitcvs.enabled and gitcvs.logfile configuration variables for each access method (i.e. "ext" or "pserver") in the form gitcvs.<method>.<var> Signed-off-by: Frank Lichtenheld <frank@lichtenheld.de> Signed-off-by: Junio C Hamano <junkio@cox.net>