Merge pull request #1204 from christianmbrodbeck/gui-bin

ENH:  invoke GUIs from the command line
DOC:  whats_new
minor enh: remove axes border from connectivity circle display
Merge pull request #1208 from aestrivex/remove_circle_border

minor enh: remove axes border from connectivity circle display
FIX: ICA scaling in cross-channel scenario
whats new
Merge pull request #1209 from dengemann/fix_ica_scaling

BUG: ica scaling with multiple sensors
FIX: node width for irregular node spacing
typo
ENH: add_channels_epochs function
cosmits + factorize checking
Merge pull request #1212 from mluessi/fix_node_width

FIX: node width for irregular node spacing
ENH: better and more tests + address discussion
pep8
ENH: address discussion
cosmit
cosmits
fix filename error
python3 remove filter
ENH: added pick_channels Mixin as complement to drop_channels