use pandas rather than csv to read and parse cvs files

Merge remote-tracking branch 'refs/remotes/origin/master'

added docstring

Merge pull request #1 from isadenghien/add_features

first version for the localizer standard from eprime to expyriment

add file to export localizer protocol

change row separator from comma to tab and use comma for rsvp and pictseq

add a column for condition

added localizer

back to just three columns in the csv files

starting on pyglet implementation

corrected bug for pictures

?

window mode by default for 3T ICM (extended display)

--background-color now working