- Modified DNAClassAttribute to also support usage on structs

- Added auto generation of DNAClass attributes on file generation
- Regenerated all files

BlendFile/DNA/MStringProperty.cs

@@ -13,6 +13,7 @@ using System;
 namespace BlendFile.DNA {
     using BlendFile;
     
+    [DNAClassAttribute(428, "MStringProperty")]
     public struct MStringProperty {
         [DNAFieldAttribute(0, "char", "s[255]", 1)]
         public char[] s = new System.Char[255];