added better db migration support than what Subsonic provides out of the box.

Migrator.net/Migrator.Framework/Loggers/ILogWriter.cs

@@ -0,0 +1,33 @@
+#region License
+//The contents of this file are subject to the Mozilla Public License
+//Version 1.1 (the "License"); you may not use this file except in
+//compliance with the License. You may obtain a copy of the License at
+//http://www.mozilla.org/MPL/
+//Software distributed under the License is distributed on an "AS IS"
+//basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
+//License for the specific language governing rights and limitations
+//under the License.
+#endregion
+
+namespace Migrator.Framework.Loggers
+{
+	/// <summary>
+	/// Handles writing a message to the log medium (i.e. file, console)
+	/// </summary>
+	public interface ILogWriter
+	{
+		/// <summary>
+		/// Write this message
+		/// </summary>
+		/// <param name="message"></param>
+		/// <param name="args"></param>
+		void Write(string message, params object[] args);
+
+		/// <summary>
+		/// Write this message, as a line
+		/// </summary>
+		/// <param name="message"></param>
+		/// <param name="args"></param>
+		void WriteLine(string message, params object[] args);
+	}
+}