Updated XML docs to point to the moved Wiki-pages (#203)

Author: snakefoot

NLog.Windows.Forms/FormControlTarget.cs

@@ -9,6 +9,10 @@ namespace NLog.Windows.Forms
     /// <summary>
     /// Logs text to Windows.Forms.Control.Text property control of specified Name.
     /// </summary>
+    /// <remarks>
+    /// <a href="https://github.com/NLog/NLog.Windows.Forms/wiki/FormControlTarget">See NLog Wiki</a>
+    /// </remarks>
+    /// <seealso href="https://github.com/NLog/NLog.Windows.Forms/wiki/FormControlTarget">Documentation on NLog Wiki</seealso>
     /// <example>
     /// <p>
     /// To set up the target in the <a href="config.html">configuration file</a>, 

NLog.Windows.Forms/MessageBoxTarget.cs

@@ -11,7 +11,10 @@ namespace NLog.Windows.Forms
     /// <summary>
     /// Pops up log messages as message boxes.
     /// </summary>
-    /// <seealso href="https://github.com/nlog/nlog/wiki/MessageBox-target">Documentation on NLog Wiki</seealso>
+    /// <remarks>
+    /// <a href="https://github.com/NLog/NLog.Windows.Forms/wiki/MessageBoxTarget">See NLog Wiki</a>
+    /// </remarks>
+    /// <seealso href="https://github.com/NLog/NLog.Windows.Forms/wiki/MessageBoxTarget">Documentation on NLog Wiki</seealso>
     /// <example>
     /// <p>
     /// To set up the target in the <a href="config.html">configuration file</a>, 
@@ -109,4 +112,4 @@ protected override void Write(IList<AsyncLogEventInfo> logEvents)
             }
         }
     }
-}
+}

NLog.Windows.Forms/RichTextBoxLinkLayoutRenderer .cs

@@ -10,6 +10,7 @@ namespace NLog.Windows.Forms
     /// <summary>
     /// Strings rendered with this rendrer would convert to links in the control. <see cref="RichTextBoxTarget.SupportLinks" />
     /// </summary>
+    /// <seealso href="https://github.com/NLog/NLog.Windows.Forms/wiki/RTB-Link-Layout-Renderer">Documentation on NLog Wiki</seealso>
     /// <remarks>
     /// Internally this renderer replaces the rendered text with a GUID and stores the info in <see cref="LogEventInfo.Properties" /> by <see cref="LinkInfo.PropertyName" /> as a key
     /// Actual rendering is done in <see cref="RichTextBoxTarget.SendTheMessageToRichTextBox" />
@@ -90,4 +91,4 @@ internal void Add(string guid, string linkText)
             }
         }
     }
-}
+}

NLog.Windows.Forms/RichTextBoxTarget.cs

@@ -15,7 +15,10 @@ namespace NLog.Windows.Forms
     /// <summary>
     /// Log text a Rich Text Box control in an existing or new form.
     /// </summary>
-    /// <seealso href="https://github.com/nlog/nlog/wiki/RichTextBox-target">Documentation on NLog Wiki</seealso>
+    /// <remarks>
+    /// <a href="https://github.com/NLog/NLog.Windows.Forms/wiki/RichTextBoxTarget">See NLog Wiki</a>
+    /// </remarks>
+    /// <seealso href="https://github.com/NLog/NLog.Windows.Forms/wiki/RichTextBoxTarget">Documentation on NLog Wiki</seealso>
     /// <example>
     /// <p>
     /// To set up the target in the <a href="config.html">configuration file</a>, 

NLog.Windows.Forms/ToolStripItemTarget.cs

@@ -9,6 +9,10 @@ namespace NLog.Windows.Forms
     /// <summary>
     /// Logs text to Windows.Forms.ToolStripItem.Text property control of specified Name.
     /// </summary>
+    /// <remarks>
+    /// <a href="https://github.com/NLog/NLog.Windows.Forms/wiki/ToolStripItemTarget">See NLog Wiki</a>
+    /// </remarks>
+    /// <seealso href="https://github.com/NLog/NLog.Windows.Forms/wiki/ToolStripItemTarget">Documentation on NLog Wiki</seealso>
     /// <example>
     /// <p>
     /// To set up the target in the <a href="config.html">configuration file</a>,