Modified kvm.sh list command to output tabular output identical to the output from the window kvm.ps1 script
 Modified kvm.sh alias command to output tabular output identical to  the output from the window kvm.ps1 script
Fixed issue where packge directory woudl be created whenuser tries to install non-existant package
Merge pull request #367 from graemechristie/prettify-kvm-sh-output

Prettify kvm.sh output