FIX plot.uv:  memory use of pairwise comparison marks
WIP GUI
WIP GUI:  incorporate SelectEpochs GUI
WIP GUI:  auto-run
WIP GUI
WIP plot:  `frame` argument
DOC plot
ENH morph_source_space():  treat scaled fsaverage appropriately
API morph_source_spaces() arg order:  vertices_to, morph_mat
WIP _mne:  combine_source_spaces()
WIP FIX SourceSpace.connectivity():  vol
Version:  change to “dev”
ENH resample():  seed random state