Use correct version of 0launch to choose versions
Use correct version of 0launch to choose versions

We were invoking the system copy of 0launch, not the one we depend on.

timbertson/0compile,timbertson/0compile,0install/0compile,0install/0compile,dabrahams/0compile,gfxmonk/0compile,0install/0compile,gfxmonk/0compile,dabrahams/0compile