support topomapping only sensors which ar inside mask
revert logic

fix fix
Merge pull request #1668 from dengemann/viz-maint

ENH: support topomapping only sensors which ar inside mask
allow bads in layout
improve and fix test
set proper cal for stim channels
Merge pull request #1673 from dengemann/fix-egi-cal-stim

BUG: set proper cal for stim channels
Merge pull request #1672 from dengemann/viz-maint-2

MAINT: allow bads in layout
fix cosmits plot_image
Merge pull request #1674 from dengemann/viz-maint-2

ENH: fix cosmits plot_image