minor update pg_dump output extension from bzip to bz2
minor update pg_dump output extension from bzip to bz2

josephglanville/manatee,josephglanville/manatee,AmlingPalantir/manatee,joyent/manatee,GrimDerp/manatee,joyent/manatee,GrimDerp/manatee,AmlingPalantir/manatee