* Add support for non-SEPA DD and CT without without IBANs
* Add hooks for l10n_ch_sepa (pain.001.001.03.ch.02)
* Move code of account_banking_pain_base/models/banking_export_pain.py to account_banking_pain_base/models/account_payment_order.py
* Add postal address in party block
* Adds flexibility to support direct debit direct debit for switzerland (pain.008.001.02.ch.01)
* Implement SEPA Core recommandations for postal address
* Add field local_instrument in payment lines and bank payment lines
* Add the bank_line as argument to some methods that generate SEPA XML
* Make it easier to extend structured communication types.
* Use new style to make selection extendable.
* Help text for bank and BIC fields. Courtesy of Alexis de Lattre.
* Do not use InstrPrty for Direct Debit.
