Option to sort attributes for component by order in DOM

[gregrobson]

I've been using Vue Devtools for a little while now. Sorting the attributes for a component by alphabetical order is great, but when you're working with long forms, it's very confusing when you test each component on a form to have to keep visually looking each entry up by name.

Is it possible to make it an option to change the sort order so it matches the order in the DOM (or order in which they were bound working through the javascript?)

[webfansplz]

Be related to #109