misc/mail - support newlines in html mail
misc/mail - support newlines in html mail

Fixes #172

kaji-project/adagios,kaji-project/adagios,opinkerfi/adagios,kaji-project/adagios,opinkerfi/adagios,kb2ma/adagios,kb2ma/adagios,kb2ma/adagios,zengzhaozheng/adagios,opinkerfi/adagios,kaji-project/adagios,zengzhaozheng/adagios,zengzhaozheng/adagios,zengzhaozheng/adagios,opinkerfi/adagios,kb2ma/adagios