Shuup

Fixed

- Fix admin order edit tool to use correct id for supplier query
- Admin: limit the Manufacturer delete queryset per shop

Added

- Notify: added email template object to store reusable email templates for SendEmail actions
This contains a migration step to move all old body template field to use email templates.

Changed

- Xtheme: move CodeMirror JS lib dependence to Admin
- Sanitize product description on save if `SHUUP_ADMIN_ALLOW_HTML_IN_PRODUCT_DESCRIPTION` is set to `False`

Added

- Core: Add dynamic measurement unit system
- New settings for specifying units:
- `SHUUP_MASS_UNIT`
- `SHUUP_LENGTH_UNIT`
- New function for getting the volume unit: `shuup.core.utils.units.get_shuup_volume_unit`

Changed

- **BREAKING**: Change `Shipment` default weight unit from `kg` to `g`
- **BREAKING**: Change `Shipment` default volume unit from `m3` to `mm3`
- **BREAKING**: Change `ShipmentProduct` default volume unit from `m3` to `mm3`

Removed

- Remove 'known unit' validation from `MeasurementField`, it can contain any units now

Changed

- Front: Add priority attribute to base order form to enable using precedence

Added

- Add signal when an email is sent by a notification

- Fix issue with browser tests

Added

- Add `Dockerfile-dev` for development
- Add Docker instructions to docs

Changed

- Add theme for the shop in `shuup_init`
- Make the shop not be in maintenance mode in `shuup_init`
- Make `Dockerfile` use `shuup` from PyPi for faster build time