Enhanced kwargs parameteres for FRFormField

see my issue :

https://github.com/django/django-localflavor/issues/101

label kwarg must not be fixed. In django.contrib.localflavor, we could change field label.

Actually, with 3 FRPhoneNumberField, three have 'PhoneNumber' in label...
Bug corrections

Fix bad syntax

I apologize for my first attempt.
Fix label FR form fields

labels are not configurable, there are harcoded
Added IBAN model and form fields.
it: add mapping between provinces and regions

Add a couple of dictionaries that maps provinces to regions and
regions to provinces.
Derive all the mapping and PROVINCE_CHOICES from PROVINCES tuple
Fixed minor bug in IBANFormField's prepare_value
Fixed bug in IBANFormField's prepare_value where it would keep adding spaces
Fixed string translation issues in IBANValidator

Some strings had their formatting applied *before* being passed to
uggettext_lazy.
Made string formatting style in IBANValidator gettext-compatible
Add USSocialSecurityNumber model field
Add USSocialSecurityNumberField model tests

Tests also cover other previously untested US model fields and ensure
they use the proper form fields.
Merge pull request #96 from strongriley/ssn-model-field

Add SocialSecurityNumberField
Added version information to new USSocialSecurityNumberField model field.
Added version information about the new REGION_PROVINCES dict.
Merge branch 'itmaps3'
docs: add PROVINCE_REGIONS to it data structures
Merge pull request #106 from xrmx/regmapsdoc

docs: add PROVINCE_REGIONS to it data structures
use setdefault instead of get on dict

update and correct all uses in fr/forms.py
Added Telangana, India's 29th state

More details at https://en.wikipedia.org/wiki/Telangana#Bifurcation_of_Andhra_Pradesh
Update the tests broken by the addition of a state