Issue #1792860 by tim.plunkett, dawehner: Move Views UI into its own module.

lib/Drupal/views/Plugin/views/wizard/WizardPluginBase.php

lib/Drupal/views/ViewStorage.php

theme/theme.inc

views.module

views_ui/admin.inc

views_ui/css/views-admin-rtl.css

views_ui/css/views-admin.bartik-rtl.css

views_ui/css/views-admin.bartik.css

views_ui/css/views-admin.contextual.css

views_ui/css/views-admin.css

views_ui/css/views-admin.ctools-rtl.css

views_ui/css/views-admin.ctools.css

views_ui/css/views-admin.seven-rtl.css

views_ui/css/views-admin.seven.css

views_ui/css/views-admin.theme-rtl.css

views_ui/css/views-admin.theme.css

views_ui/images/arrow-active.png

views_ui/images/close.png

views_ui/images/expanded-options.png

views_ui/images/loading-small.gif