move setDir to protected (only used in test) and remove unused getDir method
minor - fix formatting
pull out an interface for OutputWrapperFactory so we can create alternative implementations more easily
Add HDFS output stream capabilities to Hydra

- make OutputWrapperFactory an interface with a default file based implementation
- pull out abstract class for the OutputWrapper for easier reuse and make a new default implementation
- add 'output-wrapper' config to the reference.conf file for hydra-task
- create new hydra-hdfs module with an HDFS implementation of OutputWrapperFactory and OutputWrapper
- updage avro hadoop dependency to match the one used in hydra-hdfs
- add license to required files
- fix reference.conf configuration so hdfs type works
add some better javadoc to HDFSOutputWrapperFactory
update new module pom for master's version

and remove redundant junit declaration as a bonus
centralize hadoop dependency config
HDFSOutputWrapper: formatting and simplification
HDFS...Factory should not extend Default...Factory

it did not re-use any variables or methods. Also includes some
general formatting/ refactoring.
formatting/minor refactoring for minion
make basic task context available via environment
use constructor over init lock, config for jobid
minor additional cleanup
add hdfs module to dependency management
Merge pull request #121 from addthis/hdfsOutput

add module to output data directly to HDFS