another directory rename: failstar -> fail

"failstar" sounds like a name for a cruise liner from the 80s.  As "*" isn't a
desirable part of directory names, just name the whole thing "fail/", the core
parts being stored in "fail/core/".

Additionally fixing two build system dependency issues:
 - missing jobserver -> protomessages dependency
 - broken bochs -> fail dependency (add_custom_target DEPENDS only allows plain
   file dependencies ... cmake for the win)


git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@956 8c4709b5-6ec9-48aa-a5cd-a96041d1645a

core/SAL/Memory.cc

@@ -0,0 +1,12 @@
+
+// Author: Adrian Böckenkamp
+// Date:   09.09.2011
+
+#include "Memory.hpp"
+
+#include <cstdlib>
+
+namespace sal
+{
+	const guest_address_t ADDR_INV = NULL;
+}