Udata-piwik

- Add `PIWIK_SCHEME` config support [104](https://github.com/opendatateam/udata-piwik/pull/104)

- Ensure JS goals handling waits for `uData` object to be present [91](https://github.com/opendatateam/udata-piwik/pull/91)

- Advanced search tracking: display results count and categories (datasets, reuses, organizations) [88](https://github.com/opendatateam/udata-piwik/pull/88)
- Lower jobs piriority to `low` [90](https://github.com/opendatateam/udata-piwik/pull/90)
- Depends on `udata>=1.6.1`

- Simpler and more reliable metrics computation [54](https://github.com/opendatateam/udata-piwik/pull/54)

- 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)