* Initial integration of sshcollector into Worker::Plugin architecture
* NOT FULLY FUNCTIONAL - this is only to discuss some issues for now
* add NodesBySSH.pm
* update Build.PL and config.yml to integrate the new module
* Further integration of sshcollector into Worker::Plugin architecture
* NOT FULLY FUNCTIONAL - this is only to discuss some issues for now
* added App::Netdisco::Transport::CLI loosely based on ::SNMP counterpart
* switched to the more prevalent two-space tabs style
* removed various TBD items, some new ones
* Further steps to integration of sshcollector into Worker::Plugin architecture
* cleaned up code
* added various error handling
* warning for bin/netdisco-sshcollector deprecation
* device_auth allows passing master_opts to Net::OpenSSH
* netdisco-do -D also toggles Net::OpenSSH debug
* Merged NodesBySSH.pm into Nodes.pm
* see https://github.com/netdisco/netdisco/pull/489#pullrequestreview-205603516
* Further integration of sshcollector into Worker::Plugin architecture
* add snmp_arpnip_also option to sshcollector device_auth
* cleanup code
* Remove big TBD: comment from CLI.pm as doc is updated now
