Get rid of TemporalData references into vtkSMPPipeline
Remove deprecated call
Remove old vtkSMP namespace
Compilation does not fail anymore
Fix __sync_add_and_fetch calls
No more segfault due to atomic add
Fix compile and link error for Kaapi runtime
Merge branch 'experimental'
Revert to sequential tree building for test purpose
Fix for OpenMP link phase
Merge branch 'experimental'
Removed old SMPTransformFilter that has no use anymore
Move Merge operator into a class
Fix merge operator compilation issue
Make 'Parallel' an inner helper function of vtkMergeDataSets
Porting 'Parallel' modification to every runtimes
Files refactoring.
Moved parallel operators into their own class
Fix compilation issues
New files layout