add ruby bench programs and numbers

test/bench/ruby/calls.rb

@@ -0,0 +1,16 @@
+
+def fibo_r( n )
+   if( n <  2 )
+      return n
+   else
+      return fibo_r(n - 1) + fibo_r(n - 2)
+   end
+end
+
+
+ counter = 1000
+
+ while(counter > 0) do
+   fibo_r(20)
+   counter -= 1
+ end