python - tin: Specify more impatient modes when stopping a cluster.

Log Message:
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Specify more impatient modes when stopping a cluster.

Use immediate in commands that are going to delete the cluster 'cause it
just dunt matter inymo.

Modified Files:
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tin/src:
command.py (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/tin/src/command.py.diff?r1=1.3&r2=1.4)