Sampledb

- Fixed a user interface issue

- Added Dublin Core metadata in RDF/XML format
- Added fullscreen image preview of object and instrument log images
- Added instrument log to HTTP API
- Allow filtering instrument log by month
- Allow setting a publicly visible user affiliation

- Added data export as PDF document, .zip or .tar.gz archive
- Allow adding a logo to object export PDF documents
- Allow setting a publicly visible ORCID iD
- Added instrument log
- Added instrument scientist notes

- Allow usage of Markdown in instrument and action descriptions
- Added configuration values for creating an admin user during initial setup
- Added administrator guide to documentation

- Allow configuring label formats
- Added search filters to objects API

- Allow creating and editing instruments using the web frontend
- Allow referencing measurements as object properties
- Added readonly users
- Allow hiding users
- Added API tokens
- Added administration functions to the web frontend
- Fixed various minor bugs