Remove .org parent folder structure

Flattening the folder structure for a bit easier auto-inclusion into
projects and local development.

See:
https://github.com/DevinVinson/WordPress-Plugin-Boilerplate/issues/295

plugin-name/admin/class-plugin-name-admin.php

@@ -0,0 +1,103 @@
+<?php
+
+/**
+ * The admin-specific functionality of the plugin.
+ *
+ * @link       http://example.com
+ * @since      1.0.0
+ *
+ * @package    Plugin_Name
+ * @subpackage Plugin_Name/admin
+ */
+
+/**
+ * The admin-specific functionality of the plugin.
+ *
+ * Defines the plugin name, version, and two examples hooks for how to
+ * enqueue the admin-specific stylesheet and JavaScript.
+ *
+ * @package    Plugin_Name
+ * @subpackage Plugin_Name/admin
+ * @author     Your Name <email@example.com>
+ */
+class Plugin_Name_Admin {
+
+	/**
+	 * The ID of this plugin.
+	 *
+	 * @since    1.0.0
+	 * @access   private
+	 * @var      string    $plugin_name    The ID of this plugin.
+	 */
+	private $plugin_name;
+
+	/**
+	 * The version of this plugin.
+	 *
+	 * @since    1.0.0
+	 * @access   private
+	 * @var      string    $version    The current version of this plugin.
+	 */
+	private $version;
+
+	/**
+	 * Initialize the class and set its properties.
+	 *
+	 * @since    1.0.0
+	 * @param      string    $plugin_name       The name of this plugin.
+	 * @param      string    $version    The version of this plugin.
+	 */
+	public function __construct( $plugin_name, $version ) {
+
+		$this->plugin_name = $plugin_name;
+		$this->version = $version;
+
+	}
+
+	/**
+	 * Register the stylesheets for the admin area.
+	 *
+	 * @since    1.0.0
+	 */
+	public function enqueue_styles() {
+
+		/**
+		 * This function is provided for demonstration purposes only.
+		 *
+		 * An instance of this class should be passed to the run() function
+		 * defined in Plugin_Name_Loader as all of the hooks are defined
+		 * in that particular class.
+		 *
+		 * The Plugin_Name_Loader will then create the relationship
+		 * between the defined hooks and the functions defined in this
+		 * class.
+		 */
+
+		wp_enqueue_style( $this->plugin_name, plugin_dir_url( __FILE__ ) . 'css/plugin-name-admin.css', array(), $this->version, 'all' );
+
+	}
+
+	/**
+	 * Register the JavaScript for the admin area.
+	 *
+	 * @since    1.0.0
+	 */
+	public function enqueue_scripts() {
+
+		/**
+		 * This function is provided for demonstration purposes only.
+		 *
+		 * An instance of this class should be passed to the run() function
+		 * defined in Plugin_Name_Loader as all of the hooks are defined
+		 * in that particular class.
+		 *
+		 * The Plugin_Name_Loader will then create the relationship
+		 * between the defined hooks and the functions defined in this
+		 * class.
+		 */
+
+		wp_enqueue_script( $this->plugin_name, plugin_dir_url( __FILE__ ) . 'js/plugin-name-admin.js', array( 'jquery' ), $this->version, false );
+
+	}
+
+}

plugin-name/admin/css/plugin-name-admin.css

@@ -0,0 +1,4 @@
+/**
+ * All of the CSS for your admin-specific functionality should be
+ * included in this file.
+ */

plugin-name/admin/index.php

@@ -0,0 +1 @@
+<?php // Silence is golden

plugin-name/admin/js/plugin-name-admin.js

@@ -0,0 +1,32 @@
+(function( $ ) {
+	'use strict';
+
+	/**
+	 * All of the code for your admin-specific JavaScript source
+	 * should reside in this file.
+	 *
+	 * Note that this assume you're going to use jQuery, so it prepares
+	 * the $ function reference to be used within the scope of this
+	 * function.
+	 *
+	 * From here, you're able to define handlers for when the DOM is
+	 * ready:
+	 *
+	 * $(function() {
+	 *
+	 * });
+	 *
+	 * Or when the window is loaded:
+	 *
+	 * $( window ).load(function() {
+	 *
+	 * });
+	 *
+	 * ...and so on.
+	 *
+	 * Remember that ideally, we should not attach any more than a single DOM-ready or window-load handler
+	 * for any particular page. Though other scripts in WordPress core, other plugins, and other themes may
+	 * be doing this, we should try to minimize doing that in our own work.
+	 */
+
+})( jQuery );

plugin-name/admin/partials/plugin-name-admin-display.php

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+<?php
+
+/**
+ * Provide a admin area view for the plugin
+ *
+ * This file is used to markup the admin-facing aspects of the plugin.
+ *
+ * @link       http://example.com
+ * @since      1.0.0
+ *
+ * @package    Plugin_Name
+ * @subpackage Plugin_Name/admin/partials
+ */
+?>
+
+<!-- This file should primarily consist of HTML with a little bit of PHP. -->