Unified Layers
Unified Overlays
Unified Stacks into HoloMap and LayerMap
Updated operations
Added constant_dimensions to Dimensional objects
Fixed seaborn.Distribution value
Updated Tutorials
Cleanup from Overlay and Stack unification
Cleanup of Layer types and introduction of DataView class
Unified CoordinateGrid and DataGrid into Grid
Added nearest neighbor indexing to Grid
Lifted restriction on DFramePlot
Minor optimization on NdMapping getitem
Formatting fix in seaborn interface
Fixed empty element on LayerMap
Renamed DataViews to holoviews and completely reorganized package
Moved dimensions parameter definition to Layer
Further refactoring fixes
Fixed ViewOperation
Reorganized View type inheritance structure

Introduced Element as an intermediate View type to support
Layouts and GridLayouts for types with no explicit dimensionality.