Improved usage of args in .functests
Improved usage of args in .functests

If we're calling the script with any arguments, --pretty will not
be passed to ostestr.
Also redirected cd commands' output to /dev/null in .functests.

Change-Id: I6e7e391c7e1659b86ab12eae4362b565218917b2

smerritt/swift,tipabu/swift,openstack/swift,smerritt/swift,openstack/swift,matthewoliver/swift,openstack/swift,tipabu/swift,matthewoliver/swift,matthewoliver/swift,tipabu/swift,matthewoliver/swift,swiftstack/swift,swiftstack/swift,tipabu/swift,openstack/swift,swiftstack/swift,smerritt/swift,smerritt/swift