Create factory to configure report collector #58
Improve tests of ReportCollectorFactory #58
Create a report collector that does nothing #58

This collector will be used in both unit and integration tests
OSS TestCaseRunner: config report collector #58

Also
  add integration test
  update default log4j config to be sure all custom messages are displayed
Factorize code in integration test verify scripts
Merge branch 'feature-58-configure-custom-report-collector'