MFH: r370604

Allow staging as a regular user,  distfile was rerolled (previous distfile
had files and directories unreadable)
MFH: r370098

- Fix previous commit (r370095), patch is now properly integrated

MFH: r370095
- Fix build failure with pod2man 2.5+
- Bump PORTREVISION

While on it:
- Add NO_ARCH (port does not install arch dependent files)
- Clean up pkg-plist

PR:		193208
Submitted by:	spil.oss@gmail.com (PR), dewayne@heuristicsystems.com.au (patch)
Approved by:	portmgr(bapt,erwin), ports-secteam(rea)
Make sysutils/pstree operable in jailed environment.

(cherry picked from commit 0aa00da618ffa2bc5b4c4f8b89be22b9df2e9936)
(cherry picked from commit 47d35918828bb4b20951316d178cd6d6c410f9c6)
Revert "Define and use "our_gid" variable."

(cherry picked from commit dac485f7aa680ee457f67add02b2d1416956e531)
Startup script now supports multiple profiles.

(cherry picked from commit bc186548d5f9d1b53d58e9abc5e39f7d916dba91)
(cherry picked from commit f7276b8fda49456743b97046b9f8ed6fb22cc8e2)