Admin panel: changing management and management ip addresses blocked.
Merge pull request #1222 from andrzej-jankowski/admin-management-block

Admin panel: changing management and management ip addresses blocked.
Authorization by API like django rest framework but manually

- Added authorization by api_key like django rest-framework but manually
- Merged with develop
Merge branch 'develop' into feature/add-authorization-by-key
Merge pull request #1221 from kula1922/feature/add-authorization-by-key

Authorization by API like django rest framework but manually
Fix device info page, when model is empty.
added new rack visualization
Fixed docker installation
Read-only management ip shown in addresses tab
Merge pull request #1224 from zefciu/RAS-71a

Read-only management ip shown i addresses tab
Merge pull request #1210 from quamilek/fix-device-info-view

Fix device info page, when model is empty - error 500
removed development file
Merge pull request #1225 from ar4s/118-feature-rack-visualization

New rack visualization
added default value of self.new_rack
Merge pull request #1226 from ar4s/fix/rack-visualization

Added default value of self.new_rack