Merge branch 'develop' into fields-requirements
added migration file
fixed tests
Merge
Fix merge
code fixes according to flake8
Add documentation
Clean imports in urls file
Review fixes
Flake8
new dependencies version
Merge branch 'develop' of https://github.com/allegro/ralph_assets into user_ad_fields
removed a few commented lines
Fix sidebar and main menu selected items
Merge pull request #155 from xliiv/fields-requirements

Removed filed requirements
Review changes
added formsets to 'edit device form' (dirty version)
Merge branch 'develop' of https://github.com/allegro/ralph_assets into micro-workflow
Change migration number
Final fix merge