Whitespace cleanup: tab removal in tests directory

Also changed space-based indentation in touched files if they used
4 spaces for indentation (instead of the most-often-used 2).

Also added new line to end of touched files if they did not end
that way.

JerryScript-DCO-1.0-Signed-off-by: Akos Kiss akiss@inf.u-szeged.hu

tests/jerry/global-parsefloat.js

@@ -80,9 +80,9 @@ assert(isNaN(parseFloat(undef)));
 
 var obj = { toString : function () { throw new ReferenceError("foo") } };
 try {
-	parseFloat(obj);
-	assert(false);
+  parseFloat(obj);
+  assert(false);
 } catch (e) {
-	assert(e instanceof ReferenceError);
-	assert(e.message === "foo");
+  assert(e instanceof ReferenceError);
+  assert(e.message === "foo");
 }