update version number to 2.1.0

Author: ericsink

version_stamp/version_stamp.cs

@@ -51,9 +51,9 @@ public static class gen
         );
 
     // keep one of the following 3
-    public static string NUSPEC_VERSION = NUSPEC_VERSION_PRE_TIMESTAMP;
+    //public static string NUSPEC_VERSION = NUSPEC_VERSION_PRE_TIMESTAMP;
     //public static string NUSPEC_VERSION = NUSPEC_VERSION_PRE;
-    //public static string NUSPEC_VERSION = NUSPEC_VERSION_RELEASE;
+    public static string NUSPEC_VERSION = NUSPEC_VERSION_RELEASE;
 
     public static string ASSEMBLY_VERSION = string.Format("{0}.{1}.{2}.{3}",
         MAJOR_VERSION,