Fix: Thumbs was not visible when file was uploaded with extension in
upper case.
Use _ instead of - for option SUPPLIER_REF_IN_NAME
Merge remote-tracking branch 'origin/3.5' into develop
New: Add option MAIN_AUTO_TIMESTAMP_IN_PUBLIC_NOTES and
MAIN_AUTO_TIMESTAMP_IN_PRIVATE_NOTES to automatically add
timestamp and user line into editionf field when editing a note.
New: Add option MAIN_ADD_SALE_REP_SIGNATURE_IN_NOTE