new file:   picostack/static/pstk.css
modified:   picostack/templates/instances/list.html
modified:   picostack/templates/instances/view.html
modified:   picostack/templates/layout.html
- Adding a popover mechanism to hint the button showing "how to connect"
  instructions for each VM.
modified:   picostack/templates/instances/list.html
modified:   picostack/templates/instances/view.html
modified:   picostack/urls.py
modified:   picostack/vms/views.py
- Implemented new view to generate an SSH tunnel command hint that can be
  copied into bash terminal. Note that one still has to define an alias in
  ~/.ssh/config with the host name.