ZOOKEEPER-926. Fork Hadoop common's test-patch.sh and modify for Zookeeper. Small fix to usage of ps cmd and add findbugs version.
ZOOKEEPER-926. Fork Hadoop common's test-patch.sh and modify for Zookeeper. Small fix to usage of ps cmd and add findbugs version.

git-svn-id: 488b3bf40f260ac8d5bff5f7b2d8e19ee7724ae8@1036967 13f79535-47bb-0310-9956-ffa450edef68

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