/bin/bash is a Linuxism. Other operating systems install bash to
different paths. Use /usr/bin/env in shebangs to find bash.
Signed-off-by: Alan Somers <asomers@gmail.com>
This lets the workunits find stuff build in qa/src/, in case you are
running using these (old) scripts.
Signed-off-by: Sage Weil <sage.weil@dreamhost.com>