Update list.php

to save the town filtre on prospect list, just i replace: 
$param='&amp;stcomm='.$stcomm.'&amp;search_nom='.urlencode($search_nom).'&amp;search_zipcode='.urlencode($search_zipcode).'&amp;search_ville ='.urlencode($search_ville );

search_ville by search_town
Merge pull request #1468 from bouna/patch-1

Update list.php
delete extrafield on delete invoice
Merge branch '3.5' of https://github.com/Dolibarr/dolibarr.git into 3.5
Correction when adding line with price as '0'
Merge pull request #1494 from atm-gauthier/3.5

Correction when adding line with price as '0'
Fix: form to add images should not show link form
Fix: form to add images should not show link form
Add clean sql requests into repair.sql
Merge branch '3.5' of git@github.com:Dolibarr/dolibarr.git into 3.5
Fix PDF: Page break was ko when breaking 2 pages or more.
Fix PDF: pdf_canelle was missing code to manage pagebreak.
Fix PDF: The width of picture was hardcoded into some templates.
Fix PDF: The atleastonediscount was not used into some templates.
Merge remote-tracking branch 'origin/3.4' into 3.5
Fix: Option MAIN_PDF_DASH_BETWEEN_LINES was not working when tcpdf was
making a pagebreak higher than 2 pages.
Fix: fails to import when value is 'AUTO' because compare was case
sensitive.
Fix: import of fields with value "auto"
Merge branch '3.4' of git@github.com:Dolibarr/dolibarr.git into 3.4
Merge remote-tracking branch 'origin/3.4' into 3.5
Fix: Several fix into workflow/condition for invoice payments or convert
into discount.
Try to remove warning
Fix: Try to add code to provide easy way to fix warning on timezone not
defined.