Merge pull request #311 from jwittner/dev/bump2.0.0

Recent API changes require a major version bump

Author: jwittner

Assets/NuGet/Editor/NugetPreferences.cs

@@ -11,7 +11,7 @@ public static class NugetPreferences
         /// <summary>
         /// The current version of NuGet for Unity.
         /// </summary>
-        public const string NuGetForUnityVersion = "1.2.4";
+        public const string NuGetForUnityVersion = "2.0.0";
 
         /// <summary>
         /// The current position of the scroll bar in the GUI.