Adding possibility to give flowcell information on samplesheet

Permet la gestion d'échantillon sequencé sur differentes flowcell Ajoute l'utilisation de metadata dans les channels avec les reads/inputs

added 4 commits

• 70c62c1c...44b2f2bc - 3 commits from branch devel
• c82a27cc - Merge branch 'devel' into 'devel_flowcell'

Compare with previous version

mentioned in commit bf7782db

merged