R/calculate_intensity.R: modified the extractFeatures funtion in plotFeatures so it now returns a list of data.frame with group names as the name of each element in the list
R/calculate_intensity.R: modified the extractFeatures funtion in plotFeatures so it now returns a list of data.frame with group names as the name of each element in the list

Signed-off-by: Charles Joly Beauparlant <c79f23605b0df744f73b708f25ad0a27ad7758d6@crchul.ulaval.ca>

CharlesJB/metagene