ENH: Update API of DICOM reader to provide access to the much needed Image Orientation (Patient). Also it nows set the origin to Image Position (Patient). Backport other patch from VTK CVS so that part of API is not public as it should. STYLE: Add doc for header

BUG: Fix Bug #3323 - MPEG writer is leaking memory. The patch was applied on VTK CVS but not propagated on VTK5 branch

BUG: Fix Bug #3538 - a code err. Thanks to wwyang for patch. The patch was already applied to VTK CVS, but not the VTK5 branch.

ENH: Merge changes from main tree into VTK-5-0 branch. (cvs -q up -j1.5 -j1.6 Graphics/Testing/Tcl/TenEllip.tcl)

ENH: Merge changes from main tree into VTK-5-0 branch. (cvs -q up -j1.57 -j1.58 Graphics/vtkTensorGlyph.cxx)

ENH: Merge changes from main tree into VTK-5-0 branch. (cvs -q up -j1.44 -j1.45 Graphics/vtkTensorGlyph.h)

ENH: Merge changes from main tree into VTK-5-0 branch. (cvs -q up -j1.4 -j1.5 Graphics/Testing/Tcl/dispPlot.tcl)

ENH: Merge changes from main tree into VTK-5-0 branch. (cvs -q up -j1.15 -j1.16 Graphics/Testing/Cxx/Mace.cxx)

ENH: Merge changes from main tree into VTK-5-0 branch. (manually added Utilities/Release/VTKInstall.bmp)

ENH: Merge changes from main tree into VTK-5-0 branch. (cvs -q up -j1.6 -j1.7 Utilities/TclTk/lib/CMakeLists.txt)

ENH: Merge changes from main tree into VTK-5-0 branch. (cvs -q up -j1.32 -j1.33 Imaging/vtkImageGaussianSource.cxx)

ENH: Merge changes from main tree into VTK-5-0 branch. (cvs -q up -j1.31 -j1.32 Imaging/vtkImageGaussianSource.h)

ENH: Merge changes from main tree into VTK-5-0 branch. (cvs -q up -j1.89 -j1.90 Common/vtkTclUtil.cxx)

ENH: Merge changes from main tree into VTK-5-0 branch. (cvs -q up -j1.3 -j1.4 Common/vtkDebugLeaksManager.cxx)

ENH: Merge changes from main tree into VTK-5-0 branch. (cvs -q up -j1.10 -j1.11 Filtering/vtkGenericEdgeTable.cxx)

ENH: Merge changes from main tree into VTK-5-0 branch. (cvs -q up -j1.43 -j1.44 Filtering/vtkDemandDrivenPipeline.cxx)

ENH: Merge changes from main tree into VTK-5-0 branch. (cvs -q up -j1.115 -j1.117 Rendering/vtkTkRenderWidget.cxx)