Add option to GDAL reader to output feature IDs.

If requested, pedigree IDs are added to each polydata
leaf in the output multiblock dataset; these IDs relate
each cell to its generating OGR feature.

Change-Id: I6990c606167c2bbe8435dc0175dc71446e36b74a
Add double-click picking inside JoglConeRendering sample code

On top of the widgets we also add a picking action on a double click action.

Change-Id: I7631e1541491edd41d49e4f1dfc53ec415a6a2d6
Merge topic 'gdal-add-feature-ids' into master

35c403a6 Add option to GDAL reader to output feature IDs.
Merge topic 'vtk-java-add-picking-example' into master

2a91342e Add double-click picking inside JoglConeRendering sample code
ENH: Update vtkClipPolyData to support vtkAlgorithm::DesiredOutputPrecision

Change-Id: Ia112366f4cf7b8d1807c99d3d87ede7a46f847a2
ENH: Update vtkDecimatePro to support vtkAlgorithm::DesiredOutputPrecision

Change-Id: I99e865de60b729169ba1bcc6aa6c726cdf720d0c
ENH: Update vtkDelaunay3D to support vtkAlgorithm::DesiredOutputPrecision

Change-Id: I285519b7487c454d1ee9240a6f74842663cf7821
ENH: Update vtkMaskPoints to support vtkAlgorithm::DesiredOutputPrecision

Change-Id: Iccf2c7f0a62ef9d8619e7c03016d155d67bbaf10
ENH: Update vtkPolyDataConnectivityFilter to support DesiredOutputPrecision

Change-Id: I8a8b0fc829d88bb5dad3756659f208b00f660015
ENH: Update vtkThresholdPoints to support vtkAlgorithm::DesiredOutputPrecision

Change-Id: I4a8a7af1af919a181b4f635ba47bf977f36244d9