fix for null reference error
removed unused properties from studio also
Add Format Transformers
1
showing errors when needed
Avoid deleting the existing transformer before we ensure that the new one is valid
Merge branch 'RavenDB-2110' of github.com:grisha-kotler/ravendb
Merge branch 'RavenDB-2589' of github.com:ppekrol/ravendb
Merge branch 'master' of github.com:JudahGabriel/ravendb