devel/bin86: use PLIST_FILES and PORTDOCS

PR:		193889
Submitted by:	Kimmo Paasiala <kpaasial@icloud.com>
Approved by:	mentors (implicit)
- Allow staging as a regular user
- Strip shared library
- Make 1.7.* and -devel work with Python3

Poked by:	rm
- Convert ports from french/ and ftp/ to new USES=python

Approved by:	portmgr (implicit)
- Convert ports from german/, java/, japanese/ and ports-mgmt/ to new
  USES=python

Approved by:	portmgr (implicit)
- Convert ports from korean/, shells/, x11/, x11-clocks/, x11-fm/,
  x11-fonts/, x11-toolkits and x11-wm to new USES=python

Approved by:	portmgr (implicit)
Fix license