slony1-ctl - slony-ctl: Add check configuration file Add help on error

Log Message:
-----------
Add check configuration file
Add help on error
Clean file

Modified Files:
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slony-ctl/outils:
supervision.sh (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/slony1-ctl/slony-ctl/outils/supervision.sh?r1=1.2&r2=1.3)