Move kraken,scheme,python,cpp fib tests over to koka_bench, add WAVM as a tested compiler backend for the Kraken benchmarks

koka_bench/cpp/fib.cpp

@@ -0,0 +1,17 @@
+#include <math.h>
+#include <string.h>
+#include <iostream>
+
+int fib(int n) {
+	if (n == 0) {
+		return 1;
+	} else if (n == 1) {
+		return 1;
+	} else {
+		return fib(n-1) + fib(n-2);
+	}
+}
+int main(int argc, char **argv) {
+	printf("%d\n", fib(atoi(argv[1])));
+	return 0;
+}