Fix doRespondingTimeGraphPerTestCaseMode to work with averages instead of max (as noted in https://issues.jenkins-ci.org/browse/JENKINS-21786)
Fix JMeterSummarizerParser breaking when parsed log file contains lines with plus (+) that are not Summariser log entries.
fix case on test file name
fix case on test file name
Merge pull request #30 from edwardsa/master

Fixes for JMeterSummarizerParser and JENKINS-21786