Change attribute to getter

Wrap attributes with a getter method.

Input

function() {
  var a = thing.index < other.attribute;
  var b = thing.index < other.attribute;
  var c = thing.attribute < other.index;
  var d = thing.attribute < other.index;
}

Output

function() {
  var a = thing.get('index') < other.get('attribute');
  var b = thing.get('index') < other.get('attribute');
  var c = thing.get('attribute') < other.get('index');
  var d = thing.get('attribute') < other.get('index');
}