[xupdate] bundle cacert.pem & use

got cacert.pem from http://curl.haxx.se/ca/cacert.pem

curl_setopt :

curl_setopt($ch, CURLOPT_CAINFO,
	XOOPS_TRUST_PATH.'/modules/xupdate/include/cacert.pem');
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2));

on Xupdate_Utils::setupCurlSsl().
[xupdate] fix Xupdate_Utils::setupCurlSsl() `||` to `&&`
[X-update] remove debugging code (oops!)
[X-update] version 0.47
[X-update] code clean up
[X-update] fix remove working dir

アーカイブ解凍ディレクトリ(トップディレクトリのみ)が残ってしまう問題の修正。
[X-update] do not chdir (it was needless)
[X-update] remove needless file (FtpCommonZipArchive.class.php)
[X-update] Version 0.48
[altsys] checking of HTML editor installed

Other modules can be checking HTML editor installed.

ex.
```php
if (defined('XOOPS_CUBE_LEGACY')) {
	@ include_once XOOPS_TRUST_PATH .
'/libs/altsys/class/altsysUtils.class.php';
	if (XC_CLASS_EXISTS('altsysUtils') &&
is_callable('altsysUtils::isInstalledXclHtmleditor')) {
		if (altsysUtils::isInstalledXclHtmleditor()) {
			// case of installed HTML Editor
		} else {
			// case of NOT installed HTML Editor
		}
	}
}
```
[altsys] Version 0.81
[X-update] fix "Protector detects site manipulation" on DirectMode
[X-update] Version 0.49
[X-update] add module config 'curl_ssl_no_verify'

cURL での SSL 接続時にホスト認証がエラーになってしまう環境向けに、ホスト認証をしないオプションを追加。
[X-update] show Error when downloading failed
[X-update] typo (upset judgement)
[X-update] output content handling in Func object
[X-update] Version 0.50
Merge branch 'altsys' into stable
Merge branch 'xupdate' into stable