Update log4j-web pom.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1592397 13f79535-47bb-0310-9956-ffa450edef68
Move web resources to log4j-web module.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1592398 13f79535-47bb-0310-9956-ffa450edef68