update translation catalogs

fix setting one's funding goal

The new Aspen is more strict than the old one, it raises a 404 in this case.

Merge pull request liberapay#411 from liberapay/fix-redirects

Fix redirects

Merge pull request liberapay#408 from liberapay/pando-2

Upgrade to Pando 0.44

Merge pull request liberapay#405 from liberapay/payday-log++

Add more log messages to payday

move i18n browse test into a class to accomodate VCR

update translation catalogs

fix one more bad translation

fix translations with bad placeholders

update translation catalogs