Fukász Rómeó Ervin / cloud

Issue: #439

add_rule command for firewall



See merge request !352

Don't show edit button for unmanaged networks in vm interfaces

closes #423 

See merge request !361

Don't notify if the VM is already suspended

closes #431 

See merge request !360

Fix add port permissions

closes #437

See merge request !359

Fix wrong content type for ajax requests

closes #435

See merge request !358

Make snapshots resizable



See merge request !357

and disable the remove button for non ops

closes #437

closes #435

Disk resize help and request

![Kijelölés_053](https://git.ik.bme.hu/circle/cloud/uploads/04c1c2c4264db0e93ad9243f22c79d8e/Kijelölés_053.png)

See merge request !341

Fix flake8 warnings

Closes #429

See merge request !355

Review help links

Reviewed help links, and added missing Hungarian translations.
Also recompiled translations.

See merge request !353

Trim long usernames from SAML

See merge request !354

closes #419

Fixed 'Save resources' button in 'Suspended' state

Now it shows, that in 'Suspended' state resources cannot be changed.

See merge request !351

Graph for templates

Display graph in template edit page, which shows how many instances are running

See merge request !350

Added link to VM list.
fix #420

Added missing hungarian translations to overview
Recompiled messages
closes #419

Remove unnecessary arrow language class

See merge request !349

closes #422