Upgraded RavenDB to 2330
Updated RavenDB version in RavenPersistence nuget package
Changed the assembly version to only retain the major.minor numbers, so we don't have to use binding redirects after every build
Updated MongoDB C# driver to 1.8.1

Updated json.net too.
Merge branch 'master' into tur_dev
Merge branch 'MongoDb18' of https://github.com/AGiorgetti/EventStore into tur_dev

Conflicts:
	src/proj/EventStore.Serialization.ServiceStack/EventStore.Serialization.ServiceStack.csproj
	src/proj/EventStore.Serialization.ServiceStack/packages.config