History for MagnetRON / src / org / ntlab / deltaExtractor / Alias.java

Add CollaborationAliasCollectorTest and
CollaborationAliasCollector#sort(), Alias#getTimeStamp(), sample of
plural delta.

Add curved edge drawing when 3control points on the side.
Change occurrencePoint.getMethodExecution().getSignature() in
Alias.getMethodSignature().