Some name-breaking changes so master is now v3. V2 will continue to be the code on nuget for now.

NTwain/IDataSource.cs

@@ -0,0 +1,17 @@
+using System;
+namespace NTwain
+{
+    /// <summary>
+    /// Represents a TWAIN data source.
+    /// </summary>
+    public interface IDataSource
+    {
+        /// <summary>
+        /// Gets the source's product name.
+        /// </summary>
+        /// <value>
+        /// The name.
+        /// </value>
+        string Name { get; }
+    }
+}