v7.0.41 tar.gz source no longer hosted at motorology.com but v7.0.55 is

http://www.motorlogy.com/apache/tomcat/tomcat-7/v7.0.41bin/apache-tomcat-7.0.41.tar.gz no longer exists but 
version 7.0.55 does:
http://www.motorlogy.com/apache/tomcat/tomcat-7/v7.0.55/bin/apache-tomcat-7.0.55.tar.gz 

The only other non-comment change was to make CATALINA_HOME default to /opt/tomcat7 rather than /opt/tomcat6