use unique log.dirs in KafkaTestBroker

* updated curator-test to fix resource cleanup in tests
* cleanup kafka test logs
Merge pull request #1 from wurstmeister/master

Upstream fix for test resource issue
Merge branch 'master' into refactor

Conflicts:
	src/test/storm/kafka/KafkaTestBroker.java
fixed temp folder generation for test broker
Merge pull request #2 from wurstmeister/master

fixed temp folder generation for test broker
Merge branch 'master' into refactor