netbeans tomcat
http://www.cnblogs.com/fengzy/archive/2013/05/18/3086371.html
http://blog.csdn.net/xumengxing/article/details/7785553
http://blog.163.com/shrimp_wy/blog/static/1912435302013227111938536/
<role rolename="manager-script"/>
<user username="eSHOPPING" password="1234" roles="manager-script"/>