Bootstrap: exclude some files from the Composer autoload setup via `e…

…xclude-from-classmap`.

See #36335.


Built from https://develop.svn.wordpress.org/trunk@38391


git-svn-id: http://core.svn.wordpress.org/trunk@38332 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7-alpha-38390';
+$wp_version = '4.7-alpha-38391';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.