Fix invalid version number.

Signed-off-by: Matthew Boedicker <mboedicker@pivotallabs.com>
Use rubygems package task instead of rake package task.

Signed-off-by: Matthew Boedicker <mboedicker@pivotallabs.com>
Support only 64 bit Linux.

Signed-off-by: Matthew Boedicker <mboedicker@pivotallabs.com>