WIP refactoring

app/scodoc/ImportScolars.py

app/scodoc/html_sidebar.py

app/scodoc/pe_jurype.py

app/scodoc/sco_abs.py

app/scodoc/sco_abs_notification.py

app/scodoc/sco_abs_views.py

app/scodoc/sco_apogee_csv.py

app/scodoc/sco_archives_etud.py

app/scodoc/sco_bulletins.py

app/scodoc/sco_bulletins_json.py

app/scodoc/sco_bulletins_pdf.py

app/scodoc/sco_bulletins_xml.py

app/scodoc/sco_compute_moy.py

app/scodoc/sco_debouche.py

app/scodoc/sco_etape_apogee_view.py

app/scodoc/sco_export_results.py

app/scodoc/sco_find_etud.py

app/scodoc/sco_formsemestre_exterieurs.py

app/scodoc/sco_formsemestre_inscriptions.py

app/scodoc/sco_formsemestre_validation.py