Set donation to failed when payment cancelled on closed orders.
Merge pull request #739 from benkonrath/bug-fixes-improvements

Set donation to failed when payment cancelled on closed orders.
Fix some issues with login/activation + orders
Merge pull request #740 from gannetson/fixes-for-donation-flow

Fix some issues with login/activation + orders
Save & next for pitches
Code style & sender address
Merge pull request #741 from gannetson/fixes-for-donation-flow

Fixes for donation flow
Deal with lang-country codes (e.g. 'en-us') in money l10n.
Set the payment fee for pending and paid docdata payments.
Merge pull request #742 from benkonrath/bug-fixes-improvements

Deal with lang-country codes (e.g. 'en-us') in money l10n.
Merge pull request #743 from benkonrath/cowry-docdata-legacy-payment-fee

Set the payment fee for pending and paid docdata payments.
Include language in redirects
Add new version of ember and adjust js/hbs to fit
Fix tests for new redirects
Merge pull request #744 from gannetson/gone-on-safari

Include language in redirects
Rework drf2 adapter to fit new ember data
Ensure Decimal addition for payment fee.
Merge pull request #745 from benkonrath/cowry-docdata-legacy-payment-fee

Ensure Decimal addition for payment fee.
Fix js/hbs to fit new ember
Use en as default language for donation representation.