Added xQueueSendToBack, xQueueSendToFront, xQueuePeek and xSemaphoreCreateMutex - along with GenQTest.c to demonstrate their usage.
diff --git a/Demo/Common/include/GenQTest.h b/Demo/Common/include/GenQTest.h
new file mode 100644
index 0000000..8adbb7b
--- /dev/null
+++ b/Demo/Common/include/GenQTest.h
@@ -0,0 +1,45 @@
+/*
+ FreeRTOS.org V4.4.0 - Copyright (C) 2003-2007 Richard Barry.
+
+ This file is part of the FreeRTOS.org distribution.
+
+ FreeRTOS.org is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ FreeRTOS.org is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with FreeRTOS.org; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+ A special exception to the GPL can be applied should you wish to distribute
+ a combined work that includes FreeRTOS.org, without being obliged to provide
+ the source code for any proprietary components. See the licensing section
+ of http://www.FreeRTOS.org for full details of how and when the exception
+ can be applied.
+
+ ***************************************************************************
+ See http://www.FreeRTOS.org for documentation, latest information, license
+ and contact details. Please ensure to read the configuration and relevant
+ port sections of the online documentation.
+
+ Also see http://www.SafeRTOS.com for an IEC 61508 compliant version along
+ with commercial development and support options.
+ ***************************************************************************
+*/
+
+#ifndef GEN_Q_TEST_H
+#define GEN_Q_TEST_H
+
+void vStartGenericQueueTasks( unsigned portBASE_TYPE uxPriority );
+portBASE_TYPE xAreGenericQueueTasksStillRunning( void );
+
+#endif /* GEN_Q_TEST_H */
+
+
+
