deployment: hostname validation
Add property to Dev model
Merge branch 'master' of github.com:allegro/ralph into deployment
hostname validation
pep8
Enabled sentry logging for manag. commands
Merge branch 'master' of https://github.com/allegro/ralph into cmdb_pagination
Replaced ordinary console logging with top-level sentry logging
Merge branch 'cmdb_pagination'
Add ButtonWidget in widgets.py
Merge branch 'master' of https://github.com/allegro/ralph into ralph_assets
Add api for device components for assets
Merge branch 'master' of https://github.com/allegro/ralph into ralph_assets
Merge pull request #535 from wmatyskiewicz/deployment

deployment: hostname validation
Merge pull request #547 from vi4m/cmdb_pagination

Enabled sentry logging for manag. commands
Merge pull request #554 from deshipu/master

Add pricing api for synchronising cores
hostname validation
Merge pull request #555 from wmatyskiewicz/deployment

hostname validation
Add API assets
Raise LookupError in get_device_components