• Remove indefinite article from COMMENT
• Use standard option name for postgresql
• Convert tab to space after WWW: in pkg-descr
• Convert Makefile headers to new style [1]
• Convert to new options framework [1]

PR: ports/173563 (based on) [1]
Submitted by: Charlie & <edward@rdtan.net>
Approved by: Gea-Suan Lin <gslin@gslin.org> (maintainer)
Feature safe: yes