Bump AdminLTE from 3.1 to 3.2, Bump plugins Summernote, phpMailer, clipboardjs, bootstrap, fontawesome-free, fullcalendar, inputmask, JQuery, moment, pdfmake, and more. Removed Unnessesary files from from plugins directories to reduce app size

plugins/PHPMailer/language/phpmailer.lang-zh_cn.php

@@ -0,0 +1,29 @@
+<?php
+
+/**
+ * Simplified Chinese PHPMailer language file: refer to English translation for definitive list
+ * @package PHPMailer
+ * @author liqwei <liqwei@liqwei.com>
+ * @author young <masxy@foxmail.com>
+ * @author Teddysun <i@teddysun.com>
+ */
+
+$PHPMAILER_LANG['authenticate']         = 'SMTP 错误：登录失败。';
+$PHPMAILER_LANG['connect_host']         = 'SMTP 错误：无法连接到 SMTP 主机。';
+$PHPMAILER_LANG['data_not_accepted']    = 'SMTP 错误：数据不被接受。';
+$PHPMAILER_LANG['empty_message']        = '邮件正文为空。';
+$PHPMAILER_LANG['encoding']             = '未知编码：';
+$PHPMAILER_LANG['execute']              = '无法执行：';
+$PHPMAILER_LANG['file_access']          = '无法访问文件：';
+$PHPMAILER_LANG['file_open']            = '文件错误：无法打开文件：';
+$PHPMAILER_LANG['from_failed']          = '发送地址错误：';
+$PHPMAILER_LANG['instantiate']          = '未知函数调用。';
+$PHPMAILER_LANG['invalid_address']      = '发送失败，电子邮箱地址是无效的：';
+$PHPMAILER_LANG['mailer_not_supported'] = '发信客户端不被支持。';
+$PHPMAILER_LANG['provide_address']      = '必须提供至少一个收件人地址。';
+$PHPMAILER_LANG['recipients_failed']    = 'SMTP 错误：收件人地址错误：';
+$PHPMAILER_LANG['signing']              = '登录失败：';
+$PHPMAILER_LANG['smtp_connect_failed']  = 'SMTP服务器连接失败。';
+$PHPMAILER_LANG['smtp_error']           = 'SMTP服务器出错：';
+$PHPMAILER_LANG['variable_set']         = '无法设置或重置变量：';
+$PHPMAILER_LANG['extension_missing']    = '丢失模块 Extension：';