Simplify whiteboard imports

Signed-off-by: Michal Čihař <michal@cihar.com>
Improve translation

Signed-off-by: Michal Čihař <michal@cihar.com>
Avoid hardcoding message HTML, use template tag for that

Signed-off-by: Michal Čihař <michal@cihar.com>
Merge branch 'master' of github.com:nijel/weblate