Assiduites : WIP todos

app/forms/main/config_assiduites.py

app/scodoc/sco_archives_justificatifs.py

app/scodoc/sco_assiduites.py

app/scodoc/sco_utils.py

app/static/js/assiduites.js

app/tables/visu_assiduites.py

app/templates/assiduites/pages/bilan_etud.j2

app/templates/assiduites/pages/config_assiduites.j2

app/templates/assiduites/widgets/conflict.j2

app/templates/assiduites/widgets/tableau.j2

app/views/absences.py

app/views/assiduites.py

app/views/scodoc.py