Leverage emerging regular-table extension system

[timkpaine]

@jhawk has put together a few of what can be described as "extensions". Since I reimplement many of them here, we should leverage the fact that they're now exported

Row Stripes - https://github.com/jpmorganchase/regular-table/blob/master/examples/row_stripes.md Row, Column, and Area Mouse selection - https://github.com/jpmorganchase/regular-table/blob/master/examples/row_column_area_selection.md Row Mouse Selection - https://github.com/jpmorganchase/regular-table/blob/master/examples/row_mouse_selection.md Column Mouse Selection - https://github.com/jpmorganchase/regular-table/blob/master/examples/column_mouse_selection.md Area Selection - https://github.com/jpmorganchase/regular-table/blob/master/examples/area_mouse_selection.md

[timkpaine]

Wait for https://github.com/jpmorganchase/regular-table/pull/123