Resolve WB-445: Add a warning message to Overlay and Map Settings Layers tab that informs users that drawing voxels as 3D cubes in All view may be very slow.
Resolve WB-442: On create Region of Interest From Border Dialog, change 'Invert Selected Nodes' to 'Invert Selected Vertices'.  Note that Maps can only be added to GIFTI func and shape files.  CIFTI files do not allow adding maps.