There appears to be a crossup between the required version of System.Spatial between the Azure Configuration Manager and RavenDb.
Attempting to resolve dependency 'RavenDB.Database (= 2.5.2916)'.
Attempting to resolve dependency 'System.Spatial (≥ 5.2)'.
Attempting to resolve dependency 'WindowsAzure.Storage (≥ 2.0)'.
Attempting to resolve dependency 'Microsoft.WindowsAzure.ConfigurationManager (≥ 1.7.0.0)'.
Attempting to resolve dependency 'Microsoft.Data.OData (≥ 5.0.2)'.
Attempting to resolve dependency 'Microsoft.Data.Edm (= 5.0.2)'.
Attempting to resolve dependency 'System.Spatial (= 5.0.2)'.
Updating 'System.Spatial 5.2.0' to 'System.Spatial 5.0.2' failed. Unable to find a version of 'RavenDB.Database' that is compatible with 'System.Spatial 5.0.2'.
All of this is just by trying to install RavenDB Embedded via the nuget package manager in VS.