add project db primary key
add project db primary key

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