FIX mne_experiment.set(): only match values for variables in var_values
DOC/cleanup
code formatter
ENH/DOC/STY: table.stats - allow ds argument
ENH ascategorial(): use dataset.eval()
ENH mne_experiment.make_filter(): allow mne filter **kwargs
FIX: import mdp in try statement
STY: code formatter
FIX: mne_experiment.load_sensor_data() for all_subjects=True
ENH subp: use --overwrite flag
cleanup/DOC
ENH plot.coreg: allow submitting mrk as points;  add 'right' to views
FIX: load.fiff.add_epochs()
Merge remote-tracking branch 'upstream/master'
FIX: resolves conflict of input stc with brain.stc class