Move theme wrapper into separate file

lib/utils.php

@@ -1,56 +1,4 @@
 <?php
-/**
- * Theme wrapper
- *
- * @link http://scribu.net/wordpress/theme-wrappers.html
- */
-function roots_template_path() {
-  return Roots_Wrapping::$main_template;
-}
-
-function roots_sidebar_path() {
-  return Roots_Wrapping::sidebar();
-}
-
-class Roots_Wrapping {
-  // Stores the full path to the main template file
-  static $main_template;
-
-  // Stores the base name of the template file; e.g. 'page' for 'page.php' etc.
-  static $base;
-
-  static function wrap($template) {
-    self::$main_template = $template;
-
-    self::$base = substr(basename(self::$main_template), 0, -4);
-
-    if (self::$base === 'index') {
-      self::$base = false;
-    }
-
-    $templates = array('base.php');
-
-    if (self::$base) {
-      array_unshift($templates, sprintf('base-%s.php', self::$base));
-    }
-
-    $templates = apply_filters('roots_wrap_base', $templates);
-    return locate_template($templates);
-  }
-
-  static function sidebar() {
-    $templates = array('templates/sidebar.php');
-
-    if (self::$base) {
-      array_unshift($templates, sprintf('templates/sidebar-%s.php', self::$base));
-    }
-
-    $templates = apply_filters('roots_wrap_sidebar', $templates);
-    return locate_template($templates);
-  }
-}
-add_filter('template_include', array('Roots_Wrapping', 'wrap'), 99);
-
 /**
  * Page titles
  */