Added kernel + libl4 changes for full and extended ipc.

- Short ipc working as normal. Full/extended ipc haven't been tested.
- Added automated compilation and inclusion of test executable in test0.

include/l4/generic/tcb.h

@@ -26,6 +26,9 @@
 #define TASK_SUSPENDING			(1 << 1)
 #define TASK_RESUMING			(1 << 2)
 
+/* IPC resulted in a fault error (For ipcs that cannot page fault) */
+#define IPC_EFAULT			(1 << 3)
+
 /* Task states */
 enum task_state {
 	TASK_INACTIVE	= 0,