Changes in README. Fixes to fault handling.

Yet to investigate why adding a printf format attribute to
stdio.h does not generate warnings for invalid arguments to printf.

tasks/mm0/include/task.h

@@ -13,6 +13,7 @@
 #include <l4lib/types.h>
 #include <l4lib/utcb.h>
 #include <lib/addr.h>
+#include <l4/api/kip.h>
 
 #define __TASKNAME__		__PAGERNAME__