Added autocomplete to bulk-edit
unit tests updated to support autocompletion in bulk edit (now model id is sended as model)
add venture_id, is_blade and cores_count informations to pricing api
default value for deprecation_rate setted to 25
default deprecation referenced from settings
deprecation_rate not null data & schema migration
data migration docstring fixes
Merge pull request #91 from mkurek/feature/add-some-device-fields-to-api-pricing

add venture_id, is_blade and cores_count informations to pricing api
Merge pull request #88 from mkurek/feature/bulk-edit-autocomplete

Feature/bulk edit autocomplete
Merge pull request #92 from mkurek/feature/default-deprecation-rate

default value for deprecation_rate setted to 25
Add number of cpu
Remove number of cpu and change palce of collocation to height_of_device
Merge branch 'develop' into feature/add-power-consumption-and-place-of-collocation

Conflicts:
	src/ralph_assets/api_pricing.py
Fix notic from last one review

- Fix mistakes in comments
- Remove venture_symbol
- Use getattr
- Remove number_of_cpu