Add some guidance to the name field label in new candidate

Add text to the name label in the add candidate field that we would
like the name to be in First Last form and not LAST First as it often
appears in official documents.

For #78

candidates/forms.py

@@ -152,6 +152,9 @@ def __init__(self, *args, **kwargs):
                     campaign literature.""")
                 opts['label'] = _("Statement to voters")
 
+            if field.name == "name":
+                opts['label'] = _("Name (style: Ali Smith not SMITH Ali)")
+
             if field.info_type_key == 'url':
                 self.fields[field.name] = forms.URLField(**opts)
             elif field.info_type_key == 'email':