#22 Fix bug in JHotDrawSelect multiple deltas, ...

by creating MethodExecutionVertex for MethodExecution not only
calledMethodExecution.

#36 Implement DeltaAliasCollector#shrink() to shrink alias ...

of Iterator etc. and implement collectStandardMethodInvocations(),
collectInvocatoinChains(),
replaceInvocatoinChains().
Add DeltaAliasCollectorTest to test DeltaAliasCollector#shrink().

#22 Migrate CollaborationViewer from DeltaViewer of MagnetRONFrame. ...

Create MagnetRONViewer#getRelatedInformation return value is reference
and FieldName.

Implement CollaborationObjectCallGraph#merge(ExtractedStructure) ...

that uses lowestCommonAncestor.
Rename CollaborationAliasCollector#sortAliasListByTimeStamp() from
sort().
Add CollaborationObjectCallGraph#sortTracePointByTimeStamp()and test
file.

Implement CollaborationAliasCollector#merge(IAliasCollector). ...

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