#1219: Sort example CSV update fields in import template

in alphabetical order.

signbank/csv_interface.py

@@ -1151,16 +1151,16 @@ def choice_fields_choices():
  for f in fields:
  if hasattr(f, 'field_choice_category'):
  fields_choices[f.verbose_name.encode('ascii', 'ignore').decode()] = \
- [fc.name for fc in FieldChoice.objects.filter(field__iexact=f.field_choice_category)]
+ [fc.name for fc in FieldChoice.objects.filter(field__iexact=f.field_choice_category).order_by('name')]
  elif f.name in ['domhndsh', 'subhndsh']:
  fields_choices[f.verbose_name.encode('ascii', 'ignore').decode()] = \
- [hs.name for hs in Handshape.objects.all()]
+ [hs.name for hs in Handshape.objects.all().order_by('name')]
  elif f.name == 'semField':
  fields_choices[f.verbose_name.encode('ascii', 'ignore').decode()] = \
- [sf.name for sf in SemanticField.objects.all()]
+ [sf.name for sf in SemanticField.objects.all().order_by('name')]
  elif f.name == 'derivHist':
  fields_choices[f.verbose_name.encode('ascii', 'ignore').decode()] = \
- [dh.name for dh in DerivationHistory.objects.all()]
+ [dh.name for dh in DerivationHistory.objects.all().order_by('name')]
  elif f.name in ['repeat', 'altern',
  'domhndsh_letter', 'domhndsh_number',
  'subhndsh_letter', 'subhndsh_number',