Add event logging and first bits of event log view code.
Add tfire_event function to the AudioThread interface.
Display fired events in a table.
Refine EventList interfaces.
Add updater unregistration support to the EventListModel.
Increase event log size to 1024 entries.
Keep the end of the event list visible by default.
Fix display of some event argument types.
Fix insertion of rows into the event list.
Support filtering by context in EventHistory.
Support filtering by event context inside EventList.
Fix a nonsensical assignment.
Unregister updaters inside event list.
Make EventList a separate window.
Adjust event log column widths.
Add light to event log button to indicate activity.
Show number of events received in the event log button.
Fix style.
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Merge pull request #107 from kagu/event_log3

Event log