Added unicode support when running JS

echo_test.rb

@@ -15,4 +15,4 @@ while true
   line = s.gets   # Read lines from the socket
   puts "Got Echo: " + line.chop      # And print with platform line terminator
 end
-s.close               # Close the socket when done
+s.close               # Close the socket when done

js_runner.erl

@@ -8,4 +8,4 @@ boot() ->
 
 executeJS(Port, Data) ->
     ok = js:define(Port, <<"function helloworld(name){return 'Hello, ' + name}">>),
-    js:call(Port, <<"helloworld">>, [Data]).
+    js:call(Port, <<"helloworld">>, [list_to_binary(Data)]).