refactor(CLI): shutdown disconnect skip autostarts

closes #1450

refactor(frontend): unified change hardware forms

* remove unnecessary requests
* allow change CPU mode like if it was a driver

featt: manage CPU and features settings

closes #1726

refactor(test): more resilient open ports tests

those could fail after the changes in v1.4.0

feat: enforce minimal memory for new virtual machines

closes #64

install: domain ports table defined from code

refactor: nicer database usage

 refactor: more accurate expose ports

refactor: Debian ISO images configuration

* feat: video and sound hw support
* feat: virtio driver for video hardware closes #992 
* refactor: stop checking fedora releases when fail

Also improved web crawling

refactor: improved admin machines filter

* test: fixed when mock file wasn't removed
* wip(test): clean mock iso devices

refactor: remove volume by name

* also lock buttons while changing hardware

closes #1663

set SATA for cdroms

* refactor: arch for 32 bits is i686
* rest: testing UEFI and other machines

correct downloading of extra ISO

* test: extra iso
* refactor: chain start request to pending requests
* refactor: improved remove machine

* refactor: enforce ordered adding of hardware
* feat: min swap size

Some may be duplicated and the unique index installation
will fail

feat: download extra ISO file for installation

* test: check extra iso and then removed in clone

refactor: fixed some minor warnings

* refactor: allow size_limit in config
* refactor: ignore warning when no port defined
* fix(frontend): default swap and data only when no advanced
* refactor(frontend): hide node row
* test: new machine advanced options
* fix(download): do not try to download when no URL

closes #1684

refactor(frontend): improve ISO download in new machine form

feat: allow UEFI and machine types

* test(backend): check machine with UEFI starts
* add missing architectures in ISO definition
* allow options on create machine
* refactor: fixed wrong rebase
* reviewed remove by name and create USB
* fix undefined size
* refactor: properly name 64 bits arch
* test: properly check all KVM templates with UEFI

closes issue #750

* fix(frontend): remove USB hardware

* fix(frontend): do not try LDAP if not enabled

fix(frontend): fix ISO file field in new machine

* test: new machine form required fields
* test: check iso file change and empty machine
* refactor: best practice not to create var in if
* refactor: raise error when creating without a CD

issue #1657

refactor(frontend): refresh storage

Storage cache is cleaned and a refresh button is added in new machine form

issue #1660

also shows info about the group in the frontend

closes #1637

* wip(backend): port UP check timeout

problem reported by Jorge Mata

* wip(backend): do not lock if only refreshing