Install files into tempest_path/bin

Installing executable code into /tmp is not
such a nice thing.
Upgrade to Cirros 0.3.2
Test all extension that are available

It would be much easier to have all extensions enabled
in Neutron, but we don't have that yet :-/
Set proper username/password information for test images
Merge pull request #82 from dirkmueller/release/stoney/master

Release/stoney/master