Add build dependencies for libxml ruby gem.

Add parted to the Sledgehammer kickstart to get partprobe

Add xml parsing tools WSMAN scripts use

Let the script try and find the image in the cache if there is one.

Change 5.6 to 5.7

Add ssh daemon to the sledge hammer image to allow remote access for debugging.

All build.expect to run as its own script.

Oops, interact does not work under jenkins either.

Add a chessy little expect script to the sledgehammer build.

Still need to try and work around the squashfs issue (even in 5.7)

Try 5.7

Trying again

Let error messages flow

attmpt to remove tty reqs

Fix more ugliy Greg bash code