Tune default values in sample config file

--- ./rsnapshot.conf.default.in

+++ ./rsnapshot.conf.default.in

@@ -41,7 +41,7 @@ snapshot_root	/.snapshots/

 #

 # See the README file or the man page for more details.

 #

-#@CMD_CP@

+@CMD_CP@

 # uncomment this to use the rm program instead of the built-in perl routine.

 #

@@ -54,7 +54,7 @@ snapshot_root	/.snapshots/

 # Uncomment this to enable remote ssh backups over rsync.

 #

-#@CMD_SSH@

+@CMD_SSH@

 # Comment this out to disable syslog support.

 #

@@ -64,11 +64,11 @@ snapshot_root	/.snapshots/

 # If you have an older version of "du", you may also want to check the

 # "du_args" parameter below.

 #

-#@CMD_DU@

+@CMD_DU@

 # Uncomment this to specify the path to rsnapshot-diff.

 #

-#cmd_rsnapshot_diff	/usr/local/bin/rsnapshot-diff

+cmd_rsnapshot_diff	/usr/bin/rsnapshot-diff

 # Specify the path to a script (and any optional arguments) to run right

 # before rsnapshot syncs files

@@ -113,7 +113,7 @@ loglevel	3

 # If you enable this, data will be written to the file you specify. The

 # amount of data written is controlled by the "loglevel" parameter.

 #

-#logfile	/var/log/rsnapshot

+#logfile	/var/log/rsnapshot/rsnapshot.log

 # If enabled, rsnapshot will write a lockfile to prevent two instances

 # from running simultaneously (and messing up the snapshot_root).