fin de l'ajout de la partie compressee mais bugs
Merge branch 'weakSignal' of https://github.com/ClaraVista-IT/matrixFactorization into weakSignal

Conflicts:
	src/main/scala/dataset/LRMUSIDataSet.scala
	src/main/scala/entry/lmain.scala
	src/main/scala/model/LRModel.scala