Udata

- Remove apidoc blueprint, moved to udata-gouvfr [2628](https://github.com/opendatateam/udata/pull/2628)
- New migration to update community resources schema from string to dict [2629](https://github.com/opendatateam/udata/pull/2629)

- Ensure compatibility with udata-front and removed goals mechanism [245](https://github.com/opendatateam/udata-piwik/pull/245)

- Add migration to roolback on resource's schema's name to None [2615](https://github.com/opendatateam/udata/pull/2615)

- Modify `schema` field to resource. This field is now a nested field containing two sub-properties `name` and `version` [2600](https://github.com/opendatateam/udata/pull/2600).
- Add a `schema_version` facet to the dataset search (need to be reindex to appear in results) [2600](https://github.com/opendatateam/udata/pull/2600).

- Fix create user by API [2609](https://github.com/opendatateam/udata/pull/2609)
- Add sqlite, db and ics to allowed extensions [2610](https://github.com/opendatateam/udata/pull/2610)
- Better markup parsing [2611](https://github.com/opendatateam/udata/pull/2611):
- Geozone's and Resource type's labelize function return None if no object is found.
- New SafeMarkup class, which inherits from Markup, uses Bleach to sanitize Markup class.

- Enhance self endpoint verification [2604](https://github.com/opendatateam/udata/pull/2604)