bump to version 0.0.3

hammer_cli was bumped to `0.1.1` (20 may 2014)
hammer_cli_foreman was bumped to `0.1.1` (20 may 2014)
hammer_cli_katello was bumped to `0.0.4` (22 may 2014)

locking down versions of powerbar and hammer_cli_foreman


this PR corresponds with Katello/hammer-cli-katello#175