Short Description: Removal of Qt3 "Canvas View" classes from RW 6.1 Development
Bug Number: n/a
Release notes (y/n): no
For Release Nums: 6.1

Removing old Qt3 "Canvas View" RiverWare Workspace view classes from RiverWare
6.1.  This includes the old Qt3 Accounting View, which was recently ported to
Qt4. See http://cadswes2.colorado.edu/~philw/2010/Qt4AcctView/

Removing from the "6.1" Builds CVS repository:

  Q3GUI/AccountItem.cpp
  Q3GUI/AccountItem.hpp
  Q3GUI/AccountingCanvas.cpp
  Q3GUI/AccountingCanvas.hpp
  Q3GUI/AggAccountItem.cpp
  Q3GUI/AggAccountItem.hpp
  Q3GUI/IconItem.cpp
  Q3GUI/IconItem.hpp
  Q3GUI/LinkItem.cpp
  Q3GUI/LinkItem.hpp
  Q3GUI/LocatorCanvas.cpp
  Q3GUI/LocatorCanvas.hpp
  Q3GUI/SimObjRegionItem.cpp
  Q3GUI/SimObjRegionItem.hpp
  Q3GUI/SimulationCanvas.cpp
  Q3GUI/SimulationCanvas.hpp
  Q3GUI/SupplyItem.cpp
  Q3GUI/SupplyItem.hpp
  Q3GUI/TransferItem.cpp
  Q3GUI/TransferItem.hpp
  Q3GUI/WorkspaceCanvas.cpp
  Q3GUI/WorkspaceCanvas.hpp

========

Short Description: Removal of low-level Qt3 Accounting View symbol [Sim]
Bug Number: n/a
Release notes (y/n): no
For Release Nums: 6.1

------------------
Sim/CanvasDefs.hpp
Sim/CanvasDefs.cpp
------------------

Removal of CanvasID value: 
  CanvasID_OLD_ACCT = 3,  // Qt3 Canvas View [RW 5.1]

Also, added general comments to CanvasDefs.cpp.

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