Add upstream

wp-content/plugins/jetpack/_inc/twitter-timeline.js

@@ -0,0 +1,13 @@
+/* jshint ignore:start */
+! ( function( d, s, id ) {
+	var js,
+		fjs = d.getElementsByTagName( s )[ 0 ],
+		p = /^http:/.test( d.location ) ? 'http' : 'https';
+	if ( ! d.getElementById( id ) ) {
+		js = d.createElement( s );
+		js.id = id;
+		js.src = p + '://platform.twitter.com/widgets.js';
+		fjs.parentNode.insertBefore( js, fjs );
+	}
+} )( document, 'script', 'twitter-wjs' );
+/* jshint ignore:end */