Update modules to latest
Merge pull request #98 from alphagov/mod-update-20140601

Update modules to latest
Define experimental module
[jabley] include experimental
[jabley] no longer need travis

Also, it fails to install.
[dcarley] Add wireshark

Using DMG because the homebrew package needs to build QT for the GUI which
takes forever and a day (partly because boxen disables bottles, AFAIK).
Update modules to latest on 20140611