update payload-conversion to use SI 4.0.2
Remove SI dependencies in batch-notifications and payload conversion
Upgraded payload-conversion for XD 1.0.0.M7 and converted to maven build
Docs create streams and taps first.  Provide more information on what the taps are doing.
Formatting changes
Update name of reactor module to reactor-ip and alter stream def
Update shell hadoop command line options in readme
payload-conversion: update to XD snapshots for tuple dependency.  Fix errors in readme.
Updating batch-simple with latest versions

- removing extra dependencies

- removing profiles
Updating batch-wordcount to latest versions

- updating versions

- removing profiles

- cleaning up poms
Fixing typo in pom
Moving hashtagcount ouput directory under /xd
Removing distro specific settings