Compile most test scripts with runtime

compiler/testData/script/fib_std.kts

@@ -2,12 +2,12 @@
 
 fun fib(n: Int): Int {
     val v = if(n < 2) 1 else fib(n-1) + fib(n-2)
-    System.out.println("fib($n)=$v")
+    println("fib($n)=$v")
     return v
 }
 
 val num = if (args.size > 0) java.lang.Integer.parseInt(args[0]) else 4
 val comment = if (args.size > 1) args[1] else "none"
 
-System.out.println("num: $num ($comment)")
+println("num: $num ($comment)")
 val result = fib(num)