3D: smoothened pie edges
#3082 3d pie datalabels
3D Pie, hide/show/destroy
3D Pie Animation
#3090: default 3d options
Added 'pointValKey' to series options

//docs
3d shapes and border colors

#3149
Revert "3d shapes and border colors"

This reverts commit 6f5db3cf5ef07d16a7f489870ae5b79f97bff6f3.
3d introduced 'edgeColor'
3d introduced 'edgeWidth'
3d pie use point color instead of series color for smooth edge
Merge remote-tracking branch 'origin/bugfix'

Closes #3082.
Closes #3090.