Deprecate wp-settings-cli.php in favor of wp-settings.php

[danielbachhuber]

Before we can, there are a fair number of changes we'll need to see in wp-settings.php: https://core.trac.wordpress.org/ticket/34936

[danielbachhuber]

Bug alert:

salty-wordpress ➜  wp.dev  wp db reset --yes; wp core multisite-install
Success: Database reset.
WordPress database error Table 'wp.wp_blogs' doesn't exist for query SELECT * FROM wp_blogs WHERE blog_id = 1 LIMIT 1 made by include('/home/vagrant/.wp-cli/php/wp-cli.php'), WP_CLI\Runner->start, WP_CLI\Runner->load_wordpress, require('/home/vagrant/.wp-cli/php/wp-settings-cli.php'), ms_site_check, get_blog_details, WP_Site::get_instance
Created single site database tables.
Set up multisite database tables.
Success: Network installed. Don't forget to set up rewrite rules.

Caused by c1fdcb0 because ms_site_check() calls get_blog_details()