add ggfortify,gghalves,topGO,goSTAG (demande pour MCIA)
add "ggfortify","gghalves" from CRAN, "topGO","goSTAG" from bioconductor
Demande issue du MCIA (https://redmine.mcia.fr/issues/8577)
add "ggfortify","gghalves" from CRAN, "topGO","goSTAG" from bioconductor
Demande issue du MCIA (https://redmine.mcia.fr/issues/8577)