<div id="main"> in comments corrected to the new <main>-element
Merge pull request #275 from matiasvad/patch-1

<div id="main"> in comments corrected to the new <main>-element
Update README.md
Merge pull request #277 from lucasmullens/patch-1

Update README.md layouts
Add `url` to the list of input selectors
Add a space between the heading selectors
Add the <main> element to the list of HTML5 selectors
Merge pull request #278 from jayj/jayj-underscores-main-element

Add the `<main>` element to the list of HTML5 selectors.
Merge pull request #279 from jayj/jayj-underscores-heading-spacing

Add spaces between heading selectors.
Merge pull request #280 from jayj/jayj-underscores-url-selector

Add `url` to the list of input selectors.
_s: Use comment_reply_link arguments to wrap reply link

Avoid empty div if no reply link
_s: Changed the elements to match arrow key codes with navigation

Previous JS was not working properly
Merge in latest _s updates