Add waf, configure, Makefile

configure

@@ -0,0 +1,8 @@
+#!/bin/sh
+if [ ! -e gems/yawpa/lib ]; then
+  echo Warning: It appears that you have not checked out the submodules.
+  echo Please run \'git submodule update --init\' first.
+  exit 1
+fi
+
+exec ./waf configure "$@"