GH-105 Modified package name generation to match HPCC

Added scripts used to generate the distribution and arch of a system.
Added common code from HPCC that allows for matching versioning and package
naming.

Signed-off-by: Philip Schwartz <philip.schwartz@lexisnexis.com>
Merge pull request #107 from pschwartz/gh-105-package-naming-fix

GH-105 Modified package name generation to match HPCC

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>