Fixing all the tests and source which still use...

Fixing all the tests and source which still use the old for
comprehension syntax with vals where there are no vals and no vals where
there are vals. No review.

Author: paulp

test/files/jvm/xmlstuff.scala

@@ -27,7 +27,7 @@ object Test {
     <bar value="5" gi='go'/>
     </foo>;
 
-    val pelems_1 = for( val x <- p \ "bar"; val y <- p \ "baz" ) yield {
+    val pelems_1 = for (x <- p \ "bar"; y <- p \ "baz" ) yield {
       Text(x.attributes("value").toString + y.attributes("bazValue").toString+ "!")
     };
     val pelems_2 = new NodeSeq { val theSeq = List(Text("38!"),Text("58!")) };