mail/p5-Email-MIME-RFC2047: 0.93 -> 0.95

• Don't add whitespace between quoted strings
• Allow period in phrase
• Optimize regexes
• Support RFC2822 comments
• Rework documentation
• Improve test suite

PR: 209507
Submitted by: Henk van Oers <hvo.pm@xs4all.nl> (maintainer)