change webdav feature detect message to warning
change webdav feature detect message to warning

nicozhang/pyspider,qiulimao/weblocust,snakeliwei/pyspider,lashwang/pyspider,snakeliwei/pyspider,eromoe/pyspider,eromoe/pyspider,luoq/pyspider,binux/pyspider,lashwang/pyspider,eromoe/pyspider,wangjun/pyspider,wonderay/pyspider,wangjun/pyspider,binux/pyspider,lashwang/pyspider,luoq/pyspider,nicozhang/pyspider,wonderay/pyspider,nicozhang/pyspider,snakeliwei/pyspider,binux/pyspider,qiulimao/weblocust,wonderay/pyspider,wangjun/pyspider,luoq/pyspider,qiulimao/weblocust