Coding Standards: Upgrade WPCS to 1.0.0

WPCS 1.0.0 includes a bunch of new auto-fixers, which drops the number of coding standards issues across WordPress significantly. Prior to running the auto-fixers, there were 15,312 issues detected. With this commit, we now drop to 4,769 issues.

This change includes three notable additions:
- Multiline function calls must now put each parameter on a new line.
- Auto-formatting files is now part of the `grunt precommit` script. 
- Auto-fixable coding standards issues will now cause Travis failures.

Fixes #44600.



git-svn-id: https://develop.svn.wordpress.org/trunk@43571 602fd350-edb4-49c9-b593-d223f7449a82

tests/phpunit/tests/query/metaQuery.php

@@ -1867,7 +1867,7 @@ class Tests_Query_MetaQuery extends WP_UnitTestCase {
 						'key'         => 'aa_foo',
 					),
 				),
-				'fields' => 'ids',
+				'fields'     => 'ids',
 			)
 		);
 
@@ -1915,7 +1915,7 @@ class Tests_Query_MetaQuery extends WP_UnitTestCase {
 						'compare'     => 'NOT EXISTS',
 					),
 				),
-				'fields' => 'ids',
+				'fields'     => 'ids',
 			)
 		);