Gelencsér Szabolcs / cloud

closes #229

Fix firewall.reloadtask

See merge request !224

Feature Virtio

Enhance CIRCLE to use virtio-serial ports to communicate with the agent.

⚠ WARNING ⚠

Requires (virtio branch):
🆕 agentdriver
🆕 vmdriver

Tests:
* new-windows agent ✅   (Working virtio with update watchdog for service restart)
* new-linux agent ✅
* legacy-windows agent ⚠ (Old windows agent can't update)
* legacy-linux: ✅  Working update with less than 16k tar

See merge request !205

Feature warm shutdown celery

See merge request !234

Fix migrate form

Closes #325

(accidentally also fixes mass migrate 😸 )

See merge request !237

Fix disk list

See merge request !238

Fix operations

![szia (1)](https://git.ik.bme.hu/uploads/circle/cloud/a3c7ade2b8/szia__1_.png)

Closes #322

See merge request !240

Closes #321

Closes #327
Closes #326

Node fixes

- Labels in node box weren't aware of the new node states
- The search input disappeared when switching view modes
- Fixed filtering by nodes on vm list

See merge request !235

Display subsubactivities

See merge request !233

node1 vs node11

also fix the search button

Conflicts:
	circle/dashboard/views/vm.py

closes #305

Disk delete as op view

Closes #201

See merge request !228

Default values in vm-op forms

closes #301

See merge request !232

m = MagicMock(spec=Instance, name="asd"); m.name -> AttributeError so I have
to set it in an other statement

- don't refresh the page immediately when the response
  comes back, wait til all the activity finishes

Sub- and Remote Operations

closes #304

requires [vmdriver!4](circle/vmdriver!4)

See merge request !220