Updated Json.NET NuGet package to 4.5.11

Updated the Json.NET NuGet package from version 4.0.5 to 4.5.11.
Added constants for Pandaren and monks

Add a CharacterClass enum value for the Monk class and a CharacterRace
enum value for Pandaren.
Updated the xUnit.net NuGet package

Updated the xUnit.net NuGet package from version 1.8.0.1545 to version
1.9.1.
Merge pull request #6 from danjagnow/master

Updated NuGet packages and added monks and Pandaren.