Qsmtp-0.25: Qsmtp version 0.25

• Qremote: fix some bugs in MIME boundary detection
• Qremote: fix sending email to IP address
• Qremote: add support for control/smtproutes.d/
• Qremote: fix some smtproute cornercases
• Qremote: fix Base64 recoding not always honoring requested line length
• Qsmtpd: drop remaining support code for OpenSSL 0.9.6
• Qsmtpd: fix several memleaks
• Qsmtpd: fix wrong behavior (message not sent to network) if username or password in LOGIN authentication is empty
• Qsmtpd: fix double free on bounce message with multiple recipients
• Qsmtpd: disable the pfixpol code, it was only half implemented anyway
• Qsmtpd: fix address matching when sending to local IP address
• Qsmtpd: add missing enhanced status codes on "line too long" message
• Qsmtpd: allow usernames like "filterconf" if doing user existence checks in vpopmail directories
• Linux/Sparc is now a known good target platform.