separate form @XoopsX/legacy
fix file permission
[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
[altsys] fix Fatal error on blocksadmin
[altsys] detailed_version 0.81.1
[altsys:mytpladmin] add form data validator with JS & don't die on GET

テンプレート管理で、対象テンプレートのチェック状態と宛先テンプレートセットの状態を JavaScript で
チェックして、不正な場合はメッセージを表示し、データを POST シないようにした。

ref. http://www.xugj.org/modules/QandA/index.php?topic_id=2306
[altsys] version 0.81.2
[altsys] replace "CRLF" to "LF"
Merge branch 'altsys' into 2.3

Conflicts:
	html/modules/altsys/images/module_icon.png
	html/preload/SetupAltsysLangMgr.class.php
	xoops_trust_path/libs/altsys/class/MyBlocksAdmin.class.php
	xoops_trust_path/libs/altsys/class/MyBlocksAdminForXCL21.class.php
	xoops_trust_path/libs/altsys/include/adminmenu_functions.php
	xoops_trust_path/libs/altsys/include/tpls_functions.php
	xoops_trust_path/libs/altsys/index.php
	xoops_trust_path/libs/altsys/language/portuguese/admin.php
	xoops_trust_path/libs/altsys/language/portuguese/admin_in_theme.php
	xoops_trust_path/libs/altsys/language/portuguese/blocks_common.php
	xoops_trust_path/libs/altsys/language/portuguese/blocks_each.php
	xoops_trust_path/libs/altsys/language/portuguese/compilehookadmin.php
	xoops_trust_path/libs/altsys/language/portuguese/index.html
	xoops_trust_path/libs/altsys/language/portuguese/modinfo.php
	xoops_trust_path/libs/altsys/language/portuguese/myblocksadmin.php
	xoops_trust_path/libs/altsys/language/portuguese/mylangadmin.php
	xoops_trust_path/libs/altsys/language/portuguese/mypreferences.php
	xoops_trust_path/libs/altsys/language/portuguese/mytplsadmin.php
	xoops_trust_path/libs/altsys/language/portuguese/mytplsform.php
	xoops_trust_path/libs/altsys/language/pt_utf8/admin.php
	xoops_trust_path/libs/altsys/language/pt_utf8/admin_in_theme.php
	xoops_trust_path/libs/altsys/language/pt_utf8/blocks_common.php
	xoops_trust_path/libs/altsys/language/pt_utf8/blocks_each.php
	xoops_trust_path/libs/altsys/language/pt_utf8/compilehookadmin.php
	xoops_trust_path/libs/altsys/language/pt_utf8/index.html
	xoops_trust_path/libs/altsys/language/pt_utf8/modinfo.php
	xoops_trust_path/libs/altsys/language/pt_utf8/myblocksadmin.php
	xoops_trust_path/libs/altsys/language/pt_utf8/mylangadmin.php
	xoops_trust_path/libs/altsys/language/pt_utf8/mypreferences.php
	xoops_trust_path/libs/altsys/language/pt_utf8/mytplsadmin.php
	xoops_trust_path/libs/altsys/language/pt_utf8/mytplsform.php
	xoops_trust_path/libs/altsys/mytplsadmin.php
	xoops_trust_path/libs/altsys/templates/main_myblocksadmin_edit_4legacy.html
	xoops_trust_path/libs/altsys/xoops_version.php