fix mistake made during recent changes to IngestMessagePanel (which can also cause a ConcurrentModificationException)
Merge pull request #610 from SynapticNulship/ingestmessagepanel

fix mistake made during recent changes to IngestMessagePanel (which can ...
Update sample modules to use ref counting form IngestModuleAdapter
Merge pull request #611 from rcordovano/sample_modules_update

Update sample modules to use ref counting form IngestModuleAdapter