Setup webdav on linux and share to windows

http://www.cyberciti.biz/faq/rhel-fedora-linux-apache-enable-webdav/
http://help.wildapricot.com/display/DOC/Setting+Up+WebDAV+in+Windows+7
http://answers.microsoft.com/en-us/ie/forum/ie8-windows_other/windows-7-webdav-web-folders-support-for-64bit/a48a13a3-b9c4-4d4f-a3cd-47ce9e52d7a9

1. /etc/httpd/conf.d/webdav.conf
2. htpasswd -c /etc/httpd/webdav.users.pwd YOURNAME
3. create dirs
4. restart httpd

[Note] Windows 7 has compatibility issue, need to set HKLM\SYSTEM\CurrentControlSet\Services\WebClient\Parameters
[Note] it's quite slow...