Fix NL translations

Fixes #216
[fr] Update payment_processing_failed, payment_processor_choose_banner_text and
payment_processor_choose_link translations

modified payment_processing_failed: french translation
added payment_processor_choose_banner_text:  french translation
added payment_processor_choose_link: french translation
Merge branch 'master' of github.com:spree/spree_i18n
say_no_yes