Ckanext-nhm

Fix

- remove random root init

Fix

- allow json-ld as an rdf format

Fix

- **search-ui**: rerun search even if image preset not added

Fix

- **search-ui**: return promise from loadAndCheckImages
- **search-ui**: update image filter when resources are changed
- **search-ui**: remove previous page's images when loading new set

Refactor

- **search-ui**: rename birdwing preset

Feature

- add aohc page

Refactor

- remove mam patch and gallery overrides