Merge branch 'bugfix/translate-emails' into 'master'

coopstarter_data/locale/en/LC_MESSAGES/django.po

coopstarter_data/locale/es/LC_MESSAGES/django.mo

coopstarter_data/locale/es/LC_MESSAGES/django.po

coopstarter_data/locale/fr/LC_MESSAGES/django.mo

coopstarter_data/locale/fr/LC_MESSAGES/django.po

coopstarter_data/locale/it/LC_MESSAGES/django.mo

coopstarter_data/locale/it/LC_MESSAGES/django.po

...a/templates/emails/html/new_contributor_subscription.html

...ter_data/templates/emails/html/new_user_subscription.html

...tarter_data/templates/emails/html/report_broken_link.html

...plates/emails/html/resource_improvement_notification.html

.../templates/emails/html/resource_refusal_notification.html

...mplates/emails/html/resource_validation_notification.html

...lates/emails/html/reviewer_modification_notification.html

...ata/templates/emails/txt/new_contributor_subscription.txt

...arter_data/templates/emails/txt/new_user_subscription.txt

coopstarter_data/templates/emails/txt/report_broken_link.txt

...emplates/emails/txt/resource_improvement_notification.txt

...ta/templates/emails/txt/resource_refusal_notification.txt

...templates/emails/txt/resource_validation_notification.txt