ENH: add GUIs
STY
FIX fiducials GUI:  initial view
FIX fiducials GUI:  “save” button
GUI:  ENH view options layout
GUI:  axes labels for Denis
rename “create fsaverage” button
FIX: automatically lock fiducials when fiducials file is found
ENH kit2fiff_gui:  clear_all button
WIP kit2fif_gui:  initial zoom
GUI coreg_gui layout:  move locking fiducials into fiducials border
DOC
Merge pull request #766 from christianmbrodbeck/trans-gui

Trans GUI