upgrade to Wordpress 4.2.3

readme.html

wp-admin/about.php

wp-admin/admin-ajax.php

wp-admin/admin-footer.php

wp-admin/admin-header.php

wp-admin/admin.php

wp-admin/comment.php

wp-admin/credits.php

wp-admin/css/about-rtl.css

wp-admin/css/about.css

wp-admin/css/admin-menu-rtl.css

wp-admin/css/admin-menu.css

wp-admin/css/color-picker-rtl.css

wp-admin/css/color-picker-rtl.min.css

wp-admin/css/color-picker.css

wp-admin/css/color-picker.min.css

wp-admin/css/color-schemes/_admin.scss

wp-admin/css/color-schemes/_mixins.scss

wp-admin/css/color-schemes/_variables.scss

wp-admin/css/color-schemes/blue/colors.css