first commit

CommonAssemblyAttributes.cs

@@ -0,0 +1,10 @@
+using System;
+
+[AttributeUsage(AttributeTargets.Assembly)]
+public class AssemblyMinClientVersion :  Attribute
+{
+    public string minClientVersion;
+
+    public AssemblyMinClientVersion() : this(string.Empty) { }
+    public AssemblyMinClientVersion(string txt) { minClientVersion = txt; }
+}