About Page: Add the WordPress 4.4 tagline.

"Connected" because of REST API and cross-site embeds.
"Responsive" because of responsive images and under-the-hood tweaks.

See #34663 for the 4.4 branch.
Built from https://develop.svn.wordpress.org/branches/4.4@35798


git-svn-id: http://core.svn.wordpress.org/branches/4.4@35762 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/about.php

@@ -33,7 +33,7 @@ include( ABSPATH . 'wp-admin/admin-header.php' );
 	<div class="wrap about-wrap">
 		<h1><?php printf( __( 'Welcome to WordPress&nbsp;%s' ), $display_version ); ?></h1>
 
-		<div class="about-text"><?php printf( __( 'Thank you for updating! WordPress %s makes it even easier to format your content and customize your site.' ), $display_version ); ?></div>
+		<div class="about-text"><?php printf( __( 'Thank you for updating! WordPress %s makes your site more connected and responsive.' ), $display_version ); ?></div>
 		<div class="wp-badge"><?php printf( __( 'Version %s' ), $display_version ); ?></div>
 
 		<h2 class="nav-tab-wrapper">

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-RC1-35774';
+$wp_version = '4.4-RC1-35798';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.