Fix labels for Requests creation

issue3427
review2161002

production.py

@@ -197,7 +197,7 @@ class CreateProductionRequestStart(ModelView):
 
 
 class CreateProductionRequest(Wizard):
-    'Create Production Request'
+    'Create Production Requests'
     __name__ = 'production.create_request'
     start = StateView('production.create_request.start',
         'stock_supply_production.production_create_request_start_view_form', [

view/production_create_request_start_form.xml

@@ -1,8 +1,8 @@
 <?xml version="1.0"?>
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-<form string="Create Production Request" col="2">
+<form string="Create Production Requests" col="2">
     <image name="tryton-dialog-information" xexpand="0" xfill="0"/>
-    <label string="Create Production Request?" id="create"
+    <label string="Create Production Requests?" id="create"
         yalign="0.0" xalign="0.0" xexpand="1"/>
 </form>