Message Hook Window is working, Added BAR sendKeys and fixed colon key.

Message Hook Window is working and will allow you to see all messages
being processed by a target window.
Had to build Message Hook Window inside the native MsgHook.dll was
having issues keep a java window's WndProc callback processing.

src/org/synthuse/commands/KeyboardCommands.java

@@ -1,3 +1,10 @@
+/*
+ * Copyright 2014, Synthuse.org
+ * Released under the Apache Version 2.0 License.
+ *
+ * last modified by ejakubowski
+*/
+
 package org.synthuse.commands;
 
 import org.synthuse.*;