Superdesk-core

Fixed

- Fix error when auto publishing associated items with schedule.
- Unlock article after publishing.
- Update lxml version.
- Fix default content template not available in planning scheduled export.
- Fix correction workflow.
- Fix editor field not updated when applying a template.

Fixed

- Load local settings for unit tests.
- Fix search results inconsistency between archive and search endpoints.
- Handle error when fetching association from AP Media API.
- Fix master desk aggregations.

Fixed

- Store last activity timestamp on user.
- Fix error when saving media contacts with country.

[Changes](https://github.com/superdesk/superdesk-core/milestone/89?closed=1)

Fixed

- Fix elastic search not working on capitalized words.

Fixed

- Fix error when descheduling item which makes it disappear.