(PDB-594) Install builder to help with Ubuntu 10.04 rubygems failure to follow dependencies

Signed-off-by: Ken Barber <ken@bob.sh>
Merge pull request #939 from kbarber/ticket/1.6.x/pdb-594-ubuntu-1004-is-retarded

(PDB-594) Install builder to help with Ubuntu 10.04 rubygems failure to ...