revert forced 4.0 migration -- many users are still dependent on 2.0

Server/Region.cs

@@ -1139,7 +1139,7 @@ namespace Server
 				return false;
 
 			Type type = typeof(T);
-
+#if Framework_4_0
 			T tempVal;
 
 			if( type.IsEnum && Enum.TryParse( s, true, out tempVal ) )
@@ -1152,6 +1152,19 @@ namespace Server
 				Console.WriteLine( "Could not parse {0} enum attribute '{1}' in element '{2}'", type, attribute, xml.Name );
 				return false;
 			}
+#else
+			try
+			{
+				value = (T)Enum.Parse(type, s, true);
+			}
+			catch
+			{
+				Console.WriteLine( "Could not parse {0} enum attribute '{1}' in element '{2}'", type, attribute, xml.Name );
+				return false;
+			}
+
+			return true;
+#endif
 		}
 
 		public static bool ReadMap( XmlElement xml, string attribute, ref Map value )