cxf version 3.1.10 -> 3.2.7, also fixes build error

[aledsage]

Thanks @nakomis , great job finding the fix!

I've just spoken with @nakomis - confirmed that unit and live tests now pass, and that it works in anger when used from Apache Brooklyn.

Merging now, and then we'll look at releasing winrm4j 0.6.0.