TurnKey v16.x (based on Debian 10/Buster).

Final v15.x Common.

release: 13.0

added phpsh (interative php type shell, similar to ipython)

- included in lamp and lapp based appliances

rails tweaks: use HOSTNAME instead of railsapp + refactoring

- railsapp -> HOSTNAME
- railsapp_user -> HOSTNAME
- if no gems.overlay, use passengars gems
- misc refactoring

Created unified common/ repository from common components