add simple loop bench

fiddled with run numbers a bit
recording times with noop removed
results slightly worse than hoped

test/bench/ruby/hello.rb

@@ -1,8 +1,8 @@
 
-counter = 100000;
+counter = 10000;
 while(counter > 0) do
   puts "Hello there"
   # roughly 4 times slower with this, which is like rubyx
-  #STDOUT.flush
+  STDOUT.flush
   counter = counter - 1
 end