Move all composer files inside the common directory

- 2022년 3월 개발팀 결정사항 적용
- 모듈 등 서드파티 자료 개발시 composer를 사용하면 상위 경로에 있는 코어의
  composer.json을 수정하고, 코어의 vendor 디렉토리를 건드리는 것이 기본값임
- 이를 방지하기 위해 코어의 composer.json과 vendor를 common 디렉토리 안으로
  이동하여, 모듈 경로에서 상위 폴더로 인식하지 않도록 함

common/vendor/rmccue/requests/library/Requests/Exception/HTTP.php

@@ -0,0 +1,71 @@
+<?php
+/**
+ * Exception based on HTTP response
+ *
+ * @package Requests
+ */
+
+/**
+ * Exception based on HTTP response
+ *
+ * @package Requests
+ */
+class Requests_Exception_HTTP extends Requests_Exception {
+	/**
+	 * HTTP status code
+	 *
+	 * @var integer
+	 */
+	protected $code = 0;
+
+	/**
+	 * Reason phrase
+	 *
+	 * @var string
+	 */
+	protected $reason = 'Unknown';
+
+	/**
+	 * Create a new exception
+	 *
+	 * There is no mechanism to pass in the status code, as this is set by the
+	 * subclass used. Reason phrases can vary, however.
+	 *
+	 * @param string|null $reason Reason phrase
+	 * @param mixed $data Associated data
+	 */
+	public function __construct($reason = null, $data = null) {
+		if ($reason !== null) {
+			$this->reason = $reason;
+		}
+
+		$message = sprintf('%d %s', $this->code, $this->reason);
+		parent::__construct($message, 'httpresponse', $data, $this->code);
+	}
+
+	/**
+	 * Get the status message
+	 */
+	public function getReason() {
+		return $this->reason;
+	}
+
+	/**
+	 * Get the correct exception class for a given error code
+	 *
+	 * @param int|bool $code HTTP status code, or false if unavailable
+	 * @return string Exception class name to use
+	 */
+	public static function get_class($code) {
+		if (!$code) {
+			return 'Requests_Exception_HTTP_Unknown';
+		}
+
+		$class = sprintf('Requests_Exception_HTTP_%d', $code);
+		if (class_exists($class)) {
+			return $class;
+		}
+
+		return 'Requests_Exception_HTTP_Unknown';
+	}
+}