Initialize the JSP runtime in Jasper's initializer to eliminate the need for a Jasper-specific listener in the container.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1542822 13f79535-47bb-0310-9956-ffa450edef68
update changelog about removal of JasperListener

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1542828 13f79535-47bb-0310-9956-ffa450edef68
Revert part of r1542565 which added rather than removed an IDE warning

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1542836 13f79535-47bb-0310-9956-ffa450edef68
Fix a FindBugs warning.
Throw NPE rather than triggering one.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1542841 13f79535-47bb-0310-9956-ffa450edef68
Fix FindBugs warning
Use separate catch blocks when different actions are required for different exceptions

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1542844 13f79535-47bb-0310-9956-ffa450edef68