adding servlet-api.jar to samples config to resolve build issues
adding servlet-api.jar to samples config to resolve build issues


git-svn-id: ec6ef1d57ec0831ce4cbff3b75527511e63bfbe3@710847 13f79535-47bb-0310-9956-ffa450edef68

borigue/shiro,apache/jsecurity,haxwell/apache-shiro-1.2.3,universsky/shiro,relateiq/shiro,chapmajs/shiro,ivansun1010/shiro,Kevin2030/shiro,StempG/shiro,Collaborne/shiro,taoguan/shiro,lucamilanesio/shiro,yaotj/shiro,IBYoung/shiro