Separate plotting from NDCube base class#101

Merged

DanRyanIrish merged 2 commits intosunpy:masterfrom DanRyanIrish:ndcube_base_noplot

Mar 28, 2018

+18-5

Commits on Mar 22, 2018

Create NDCubeBase class with all NDCube functionality except plotting. Rename current NDCubeBase to NDCubeABC and create new NDCube class which mixes in the base and plotting mixin.
DanRyanIrish
committed

Commits on Mar 27, 2018

Add entry to CHANGELOG about adding an no-plotting NDCubeBase class.
DanRyanIrish
committed