Removed Russian - will be added as Hotfix later
Fixed bug in akvo.rsr.views.donate_thanks and akvo.rsr.views_partner_sites.ProjectDonationThanksView.
Minor update to release notes.
Spelling correction on Vietnam

Moved into a single word and replaced in po files.
Modified akvo.rsr.views.donate_thanks and akvo.rsr.views_partner_sites.ProjectDonationThanksView to coerce mollie_transaction_id to str.
Merge branch 'develop' of github.com:akvo/akvo-rsr into develop
Updated akvo.rsr.utils.send_donation_confirmation_emails to use urlparse.urljoin() to build URL strings.
Fixed bug in akvo.rsr.signals.donation_completed.
Add missing dependencies for django-cacheback to INASTALLED_APPS

And setup of Django DB as message broker
Replaced references to settings.DONATION_CONFIRMATION_EMAILS with the correct reference to settings.DONATION_NOTIFICATION_EMAILS.
Fixed invoice.save() but in akvo.rsr.utils.send_donation_confirmation_emails.