Gelencsér Szabolcs / cloud

Sub- and Remote Operations

closes #304

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

See merge request !220

Feature local logo

```bash
mkdir -p ~/site-circle/static
wget -O ~/site-circle/static/local-logo.png https://www.vik.bme.hu/static/img/default/logo.png
```

See merge request !229

Unhandled exception: _get_remote_args() got an unexpected
          keyword argument 'activity'

Conflicts:
	circle/vm/models/instance.py
	circle/vm/tests/test_models.py

Client cookie timer correction

Small correction :)

See merge request !226

Fix http500

🚧 tests

See merge request !223

Add memory to vm list

Closes #310

See merge request !225

The filtering messed up the host list table for vlans
that contains hosts that are not associated with VMs

This contains the fix for the empty form issue after sending
invalid format

Disabled edit buttons if user has only user perm in vm detail

Closes #296

See merge request !215

Closes #315

Feature Redeploy

🚧 test

See merge request !218