Merge pull request #2 from OrleansContrib/denisivan0v/setting-up-versions-correctly

.net sdk and orleans versions set up correctly

Merge pull request #1 from xakep139/master

Update Orleans.Persistence.Cassandra.csproj

Update Directory.Build.props

update packages

bugfix in setting consistency level

minor changes

added ContractResolver customization ability + dependencies updated

init stage improvements

using more async API

AppVeyor build fix

AppVeyor build setup

licence and renamings

clearing