Gbatalski and Mine contrib

This is a cumulative pull request fixing:
+ gbatalski fork 
https://github.com/afranken/jmeter-analysis-maven-plugin/issues/5
(which is critical for jenkins job!!!)

+ 1 commit to fix:
https://github.com/afranken/jmeter-analysis-maven-plugin/issues/6

could you kindly merge and release it on the maven repository?