Propose PDFJS as pdf viewer (heavy development)
Show default pdf in Decree.
Require pdfviewer.
Merge branch 'master' of github.com:otvorenesudy/otvorenesudy-dev
Merge branch 'master' of github.com:otvorenesudy/otvorenesudy-dev
Generate judge property migrations and models
Implement judge properties model migrations
Fix long index names and migrate DB schema
Implement judge property declaration models