Merge branch 'master' into use-talk-linting-preset

Conflicts:
	package.json

plugins/talk-plugin-like/client/LikeButton.js

@@ -35,7 +35,7 @@ class LikeButton extends React.Component {
     return (
       <div className={cn(styles.container, `${plugin}-container`)}>
         <button
-          className={cn(styles.button, {[styles.liked]: alreadyReacted}, `${plugin}-button`)}
+          className={cn(styles.button, {[`${styles.liked} talk-plugin-like-liked`]: alreadyReacted}, `${plugin}-button`)}
           onClick={this.handleClick}
         >
           <span className={cn(`${plugin}-label`, styles.label)}>