Core kernel code:

- Re-introduce the ability to give a mutex from an ISR.

Common demo code:
- Add additional tests into the GenQTest files for priority inheritance and using a mutex from an ISR.

FreeRTOS/Source/list.c

@@ -144,7 +144,7 @@ const TickType_t xValueOfInsertion = pxNewListItem->xItemValue;
 			   see http://www.freertos.org/Stacks-and-stack-overflow-checking.html
 			2) Incorrect interrupt priority assignment, especially on Cortex-M3
 			   parts where numerically high priority values denote low actual
-			   interrupt priories, which can seem counter intuitive.  See
+			   interrupt priorities, which can seem counter intuitive.  See
 			   configMAX_SYSCALL_INTERRUPT_PRIORITY on http://www.freertos.org/a00110.html
 			3) Calling an API function from within a critical section or when
 			   the scheduler is suspended, or calling an API function that does