More modernization

- Split generic "common" libraries into specific libraries
- Use other packages in lieu of custom code
- General cleanup

Application/MainWindow/CommandLine.cs

@@ -1,42 +1,38 @@
-using Common.IO;
-using System;
+using System;
 
 namespace FeedCenter
 {
     public partial class MainWindow
     {
-        private InterprocessMessageListener _commandLineListener;
-
-        private void HandleCommandLine(object sender, InterprocessMessageListener.InterprocessMessageEventArgs e)
+        private void HandleCommandLine(string commandLine)
         {
             // If the command line is blank then ignore it
-            if (e.Message.Length == 0)
+            if (commandLine.Length == 0)
                 return;
 
             // Pad the command line with a trailing space just to be lazy in parsing
-            var commandLine = e.Message + " ";
+            commandLine += " ";
 
             // Look for the feed URL in the command line
             var startPosition = commandLine.IndexOf("feed://", StringComparison.Ordinal);
 
-            // If we found one then we should extract and process it
-            if (startPosition > 0)
-            {
-                // Advance past the protocol
-                startPosition += 7;
+            // If nothing was found then exit
+            if (startPosition <= 0) return;
 
-                // Starting at the URL position look for the next space
-                var endPosition = commandLine.IndexOf(" ", startPosition, StringComparison.Ordinal);
+            // Advance past the protocol
+            startPosition += 7;
 
-                // Extract the feed URL
-                var feedUrl = commandLine.Substring(startPosition, endPosition - startPosition);
+            // Starting at the URL position look for the next space
+            var endPosition = commandLine.IndexOf(" ", startPosition, StringComparison.Ordinal);
 
-                // Add the HTTP protocol by default
-                feedUrl = "http://" + feedUrl;
+            // Extract the feed URL
+            var feedUrl = commandLine.Substring(startPosition, endPosition - startPosition);
 
-                // Create a new feed using the URL
-                HandleNewFeed(feedUrl);
-            }
+            // Add the HTTP protocol by default
+            feedUrl = "http://" + feedUrl;
+
+            // Create a new feed using the URL
+            HandleNewFeed(feedUrl);
         }
     }
-}
+}