Normalize attachment filename as JIRA seems to respond with server error on non-ASCII names, see https://answers.atlassian.com/questions/143915/answers/32979258/comments/46688444
Normalize attachment filename as JIRA seems to respond with server error on non-ASCII names, see https://answers.atlassian.com/questions/143915/answers/32979258/comments/46688444

mrts/ask-jira