Windows event log check clean-up
Log the event log query being performed in debug mode.
Remove timezones from event log check, fixes issues with dupe events.
Support notifying on filters in event log check, fixes #737.
Add message text filter to event log check, fixes #709.
Add test for event log notifications.
Remove the pdb...oops!
Update notify assertion in event log test.
Merge pull request #747 from DataDog/event_log_check_updates

Event log check updates