Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=56383
Merged r1590438 from tomcat/trunk:
Use non-empty title when both showServerInfo and showReport are false.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1590441 13f79535-47bb-0310-9956-ffa450edef68