automatically reviving cassandra if it fails
using log_run wherever we were previously doing a shell call within a log_debug
reviving zookeeper if it fails
Merge pull request #760 from shatterednirvana/revive-cassandra-with-monit

Automatically reviving cassandra if it fails
Merge remote-tracking branch 'org/master' into revive-zookeeper-with-monit
Merge pull request #761 from shatterednirvana/revive-zookeeper-with-monit

Revive zookeeper with monit