issue #1443

issue #1442

fix(iso): updated ubuntu images

fix(ports): properly search unused ports in iptables

issue #1429

issue #1420

* wip(nodes): sync back

* wip(backend): kill dead process

* wip(nodes): remove debug

* wip(nodes): improved remote start and rsync back

* Devel is release 0.10

DEBUG can be managed from admin/settings and changed on-the-fly

* wip(networking): set per VM display and NAT IPs

issue #1397

* refactor(frontend): shows standalone machines

Added this as a request and runs before auto start machines

fix(volumes): convert to qcow2 old raw bases

* test(volumes): upgrade old raw volumes

close issue #1385

fix(volumes): properly define backing files

* test(volumes); tries to rebase a volume
* test(volumes); create test qcow2 volumes
* refactor(volumes): base for qcow2 volumes is copy
* test(volumes): base from base

closes issue #1381

fix(nodes): remove volatiles reviewed

also fixed small bug showing clones in frontend

fixes issue #1345

fixes #1350

fixes #1350

feature(frontend): maintenance mode

issue #1310

issue #1345

issue #1345

refactor(nodes): use Net::OpenSSH

* refactor(frontend): removed plugin renderfile
* refactor(volumes): qcwo2 format on clones

issue #1153

Added Android template, new Ubuntu 20.04 ISOs and fixed arch

closes issue #1332 
fixes issue #1338 

Tested in 30_hardware.t

issue #1333

issue #1333

fix(frontend): update domain status after request

add test in 30_hardware.t

issue #1333

feature(backend): change number of started domains limit

closes issue #1166

feature(fontend): maintenance mode

closes issue #1331