Adjust wipe.sh to properly default if no flags are passed
README fix
Merge pull request #143 from andymcc/sprint

Merged automatically by jenkins after successful gate test
If not supported ubuntu version, then exit
Merge pull request #144 from andymcc/sprint

Merged automatically by jenkins after successful gate test
Exit if unsupported ubuntu version for dev script
Merge pull request #145 from andymcc/sprint

Merged automatically by jenkins after successful gate test