Sépare PE dans package 'pe' et le désactive en production.

app/pe/README.md

app/pe/pe_avislatex.py

app/pe/pe_jurype.py

app/pe/pe_semestretag.py

app/pe/pe_settag.py

app/pe/pe_tagtable.py

app/pe/pe_tools.py

app/pe/pe_view.py

app/scodoc/sco_formsemestre_status.py

app/views/notes.py

sco_version.py