v2 criu: Initial skeleton for criu library

Add target lib to Makefile for criu library.
Created directory lib and add there Makefile and criu.c - skelettons for criu library.

Signed-off-by: Ruslan Kupreev <kupruser@gmail.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

lib/criu.c

@@ -0,0 +1,3 @@
+#include "version.h"
+
+const char *criu_lib_version = version;