Support properly HTML5 implicit form submission.

From Chromium 31, pressing enter key to select ListBox page submit the form
through JS (submitFormOnEnter) *and* wrongly on the default button, at the end
following HTML5 behavior (4.10.22.2 Implicit submission).

Conflicts:
	product/ERP5/bootstrap/erp5_xhtml_style/bt/change_log
	product/ERP5/bootstrap/erp5_xhtml_style/bt/revision

product/ERP5/bootstrap/erp5_xhtml_style/SkinTemplateItem/portal_skins/erp5_xhtml_style/erp5.js.xml

@@ -187,6 +187,8 @@ function submitFormOnEnter(event, form, method_name, clear_changed_flag, element
       changed = false;\n
     }\n
     form.submit();\n
+    event.preventDefault();\n
+    return false;\n
   }\n
 }\n
 \n

product/ERP5/bootstrap/erp5_xhtml_style/bt/change_log

+2013-12-10 arnaud.fontaine
+* Support properly HTML5 implicit form submission.
+
 2013-6-20 yusei
 * Fix erp5.js to keep it compatible with jquery 1.4. .prop() is available after jquery 1.6.
 

product/ERP5/bootstrap/erp5_xhtml_style/bt/revision

-1111
+1112