improve message
Merge remote branch 'upstream/master'
Added korean language code
Translated using Weblate (Portuguese (Brazil))

Currently translated at 100.0% (742 of 742)
Translated using Weblate (Spanish)

Currently translated at 100.0% (742 of 742)
Translated using Weblate (Spanish)

Currently translated at 100.0% (16 of 16)
Prepare for sending text+html mails
Include HTML alternative in notification emails (issue #165)
Improved suggestion notifications
Add missing templates
Move CSS to header
Unify some strings and logic between html and text parts of mail
Translated using Weblate (Spanish)

Currently translated at 100.0% (742 of 742)
Translated using Weblate (Spanish)

Currently translated at 100.0% (16 of 16)
Merge remote-tracking branch 'origin/master'
Update po files
Translated using Weblate (Spanish)

Currently translated at 100.0% (742 of 742)
Merge remote-tracking branch 'origin/master'
Remove newlines from messages (they are anyway fuzzy right now)
Update po files