Merge pull request #110 from rnovacek/master

networking: add support for lmishell without is_fetched method on classes
hwinfo: use min_column_sizes in table formatter
system: use min_column_sizes in table formatter
hwinfo: print newlines inside functions for more flexibility, unify list usage
system: unify list usage
Merge remote-tracking branch 'upstream/master'
Merge pull request #111 from pschiffe/master

hwinfo, system: use min_column_sizes, cleanup
networking: add 'list' command for route, dns and address subcommands