* Easy Installer did not support Debian 10 Buster, so I changed the playbooks to support Debian 10.
* Related Issue: #831
* Tested in a newly deployed Debian 10 Buster running on KVM and in a brand new deployed LXC Container (--container) also running fine.
- in travis tests added check for the node_modules folder not found, since it was moved to frappe from v11 onwards
- added --without-erpnext flag to install only frappe
- identified but not yet fixed localctl failure on scaleway cloud (instant fix: apt install keyboard-configuration kbd console-data)
- fixed owner and permissions for bench.log in logs
- fixed mariadb set root password issue
- added libselinux-python to centos for localctl issues
