- Use full import paths in qvm-pool
- Add, Remove, Info and List options set `Namespace.command`. This fixes a crash
when `-o dir_path=/mnt/foo` is specified after `-a foo xen`.
- Remove `_List`
- Remove 'added pool' and 'removed pool' messages. Unix tools are quiet
- qvm-pool call app.save()
- Rename create_parser in get_parser
- Rename local_parser variables to just parser
- qvm-pool uses print_table
