#36 Implement DeltaAliasCollector#shrink() to shrink alias
...
of Iterator etc. and implement collectStandardMethodInvocations(),
collectInvocatoinChains(),
replaceInvocatoinChains().
Add DeltaAliasCollectorTest to test DeltaAliasCollector#shrink().
createEdgeToObject, createObjectVertices.
Migrated method from DeltaViewer to MagnetRONViewer and
CollaborationViewer.
Add CollaborationViewerSampleTest.
that uses lowestCommonAncestor.
Rename CollaborationAliasCollector#sortAliasListByTimeStamp() from
sort().
Add CollaborationObjectCallGraph#sortTracePointByTimeStamp()and test
file.