Draft: added unit tests for BranchDecomposition and AugmentHierarchical
Moved BranchCompiler under vtkm/worklet/contourtree_distributed Added unit tests for branch decomposition Added unit tests for AugmentHierarchical
Moved BranchCompiler under vtkm/worklet/contourtree_distributed Added unit tests for branch decomposition Added unit tests for AugmentHierarchical