Modifying protobuf build to create artifact bundle.

Previously it would package the jar but not create
the fully formed bundle required by Sonatype.
    Modifying zeromq build to create artifact bundle.

    Previously it would package the jar but not create
    the fully formed bundle required by Sonatype.
Modifying akka build to create artifact bundle.

Previously it would package the jar but not create
the fully formed bundle required by Sonatype.
Merge pull request #1 from pwendell/master

Perform additional packaging required for Sonatype upload