Fix: Reason to have button greyed is wrong

Conflicts:
	htdocs/compta/facture/prelevement.php
Fix: bad balance of td
Fix: Iban was used instead of Bic into SEPA file.
Fix: Must unaccent strings into SEPA file.
Fix: Dictionnary with one n

Conflicts:
	htdocs/expedition/fiche.php
Fix: Bad use of fetch_lines

Conflicts:
	htdocs/comm/propal.php
	htdocs/contrat/fiche.php
	htdocs/opensurvey/class/opensurveysondage.class.php
Fix: pgsql compatibility. No upper cas into field names.
Fix: Pb with week position when week start on sunday.
Merge branch 'Upstream/3.6'