General port cleanup; new maintainer: lbartoletti@tuxfamily.org

Details:

• New maintainer: lbartoletti@tuxfamily.org
• USES: python:2 -> python:2.7 (due to deprecation warning)
• Pet portlint
• Bump PORTREVISION

PR: 225738
Submitted by: lbartoletti@tuxfamily.org (maintainer)