Switched method signatures and class vars from alert->event. #34
Removed old timestampable interface
Removed references to timestampable interfaces
Alert Model refactored into event. #34
Refactored ExternalEvent->ExternalCause #34
Updated to javadoc for refactoring. #34
Refactored AlertNotification->Alert. #34
Refactored view. #34
Merge pull request #50 from openpowerquality/34

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