Some minor refactoring
Fix link on 404 page.

TODO this 404 text should be internationalised.
Merge pull request #389 from g0v/i18n-cleanup

Improve i18n workflow
[#389] Don’t warn if i18n/ exists.
[#389] Clarify translation instruction a tiny bit
Merge remote-tracking branch 'origin/master' into tw-l10n
[#308] Add recent changes page
Merge pull request #390 from andylolz/308-recent-changes

[#308] Add recent changes page
lean popover
Merge branch 'tw-l10n'
swap summary dt and dd for better localization
[#308] Fix broken test!
always clean i18n
Merge remote-tracking branch 'origin/master' into tw-l10n
update translations
Merge branch 'tw-l10n'