OAK-7829: oak-examples: update Tomcat dependency to 7.0.91
OAK-7829: oak-examples: update Tomcat dependency to 7.0.91

git-svn-id: 67138be12999c61558c3dd34328380c8e4523e73@1843652 13f79535-47bb-0310-9956-ffa450edef68

amit-jain/jackrabbit-oak,mreutegg/jackrabbit-oak,anchela/jackrabbit-oak,amit-jain/jackrabbit-oak,mreutegg/jackrabbit-oak,trekawek/jackrabbit-oak,amit-jain/jackrabbit-oak,apache/jackrabbit-oak,anchela/jackrabbit-oak,anchela/jackrabbit-oak,apache/jackrabbit-oak,apache/jackrabbit-oak,amit-jain/jackrabbit-oak,anchela/jackrabbit-oak,mreutegg/jackrabbit-oak,trekawek/jackrabbit-oak,mreutegg/jackrabbit-oak,trekawek/jackrabbit-oak,mreutegg/jackrabbit-oak,apache/jackrabbit-oak,trekawek/jackrabbit-oak,amit-jain/jackrabbit-oak,anchela/jackrabbit-oak,trekawek/jackrabbit-oak,apache/jackrabbit-oak