SAMZA-294: Remove unused DataType class
SAMZA-287: Expose config via AM REST interface
SAMZA-296: Configuration cleanup
SAMZA-165: Bring table of config parameters up-to-date with reality
SAMZA-35: Write Javadocs for all samza-api interfaces
SAMZA-299: Updated kill-yarn-job.sh to be compatable with hadoop-yarn-client-2.4.0
SAMZA-301: Add syntax highlighting to documentation code listings.