Udata

- Fix packaging

- Make the spatial search levels exclusion list configurable through `SPATIAL_SEARCH_EXCLUDE_LEVELS`.
[1101](https://github.com/opendatateam/udata/pull/1101)
- Fix facets labelizer with html handling
[1102](https://github.com/opendatateam/udata/issues/1102)
- Ensure territories pages have image defined in metadatas
[1103](https://github.com/opendatateam/udata/issues/1103)
- Strip tags in autocomplete results
[1104](https://github.com/opendatateam/udata/pull/1104)
- Transmit link checker status to frontend
[1048](https://github.com/opendatateam/udata/issues/1048)
- Remove plus signs from search query
[1048](https://github.com/opendatateam/udata/issues/987)

- Handle territory URLs generation without validity
[1068](https://github.com/opendatateam/udata/issues/1068)
- Added a contact button to trigger discussions
[1076](https://github.com/opendatateam/udata/pull/1076)
- Improve harvest error handling
[1078](https://github.com/opendatateam/udata/pull/1078)
- Improve elasticsearch configurability
[1096](https://github.com/opendatateam/udata/pull/1096)
- Lots of fixes admin files upload
[1094](https://github.com/opendatateam/udata/pull/1094)
- Prevent the "Bad request error" happening on search but only on some servers
[1097](https://github.com/opendatateam/udata/pull/1097)
- Migrate spatial granularities to new identifiers
- Migrate remaining legacy spatial identifiers
[1080](https://github.com/opendatateam/udata/pull/1080)
- Fix the discussion API documention
[1093](https://github.com/opendatateam/udata/pull/1093)

- Handle multiple resources for same url [49](https://github.com/opendatateam/udata-piwik/pull/49)

- Refactor `counter.handle_downloads` - fix [1421](https://github.com/opendatateam/udata/issues/1421)
- Switch to `flask-cli` and endpoint-based commands (requires `udata>=1.3`) [33](https://github.com/opendatateam/udata-piwik/pull/33)
- Expose the new `udata.tasks` endpoint [39](https://github.com/opendatateam/udata-piwik/pull/39)
- Expose the new `udata.views` endpoint [41](https://github.com/opendatateam/udata-piwik/pull/41)
- Add content tracking options in configuration paramaters [42](://github.com/opendatateam/udata-piwik/pull/42)

- Fix presubmit form errors handling
[909](https://github.com/opendatateam/udata/pull/909)
- Fix producer sidebar image sizing
[913](https://github.com/opendatateam/udata/issues/913)
- Fix js `Model.save()` not updating in some cases
[910](https://github.com/opendatateam/udata/pull/910)