Updated a lot of components to PureComponents. Better performance.

app/src/components/PeerAudio/PeerAudio.js

@@ -1,7 +1,7 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 
-export default class PeerAudio extends React.Component
+export default class PeerAudio extends React.PureComponent
 {
 	constructor(props)
 	{