Merge branch 'master' of github.com:allegro/ralph_pricing
Add tests for models
Make DailyUseage.pricing_device optional
Merge pull request #8 from deshipu/master

Make DailyUseage.pricing_device optional, models tests
A form for editing usage costs
Merge pull request #9 from deshipu/master

A form for editing usage costs
Update setup.py

Fixed setup dependencies
Add a plugin for synchronizing cores, fix other plugins
Merge pull request #10 from deshipu/master

Add a plugin for synchronizing cores, fix other plugins
Use >= in version dependencies on Ralph
Add `symbol` field int Venutre model
Hamster usage plugin
Add symbol cores plugin
plugin - sync data form assets
added missing import
Review changes
Change unit in Hamster Capacity UsageType
Restore the deleted line at end of file
added deprecation
Basic report for the ventures