Version bump to v0.2.0

Changes:
* Bugfix for `log.dirs` attribute (#36).
* Updated log4j template (#32).
* Expose JVM performance options (#33).

Cheers to @trane and @dpkp.

metadata.rb

@@ -6,7 +6,7 @@
 license          'Apache 2.0'
 description      'Installs and configures a Kafka broker'
 long_description IO.read(File.join(File.dirname(__FILE__), 'README.md'))
-version          '0.1.0'
+version          '0.2.0'
 
 recipe 'kafka::source', 'Downloads, compiles and installs Kafka from source releases'
 recipe 'kafka::binary', 'Downloads, extracts and installs Kafka from binary releases'