structure:
 row1:
  col1: 
    size: col-4
    bloc:
      - username,required,tabindex=1               		#1788 Nom d utilisateur
      - templates,tabindex=4                       		#1796 Templates utilisables
  col2: 
    size: col-4
    bloc:
      - password,required,tabindex=2               		#1789 Mot de passe
  col3: 
    size: col-4
    bloc:
      - modules,tabindex=3                         		#1795 Modules