Merge pull request npgsql#880 from roji/preview5 Port to 3.0.0-preview5
Merge branch 'preview4' into dev
Merge pull request npgsql#844 from roji/preview3 Sync with EF Core 3.0.0 preview3
Bump version to 3.0.0
Merge branch 'dev' into master Release 2.2.0
Fix Appveyor release tag detection
Merge branch 'hotfix/2.1.2'
Merge branch 'hotfix/2.1.1.1'
Merge branch 'hotfix/2.1.1'
Updated docs for 2.1, modernized the examples