MFH: r370633

- Fix build problem (plist generation) with export_xvid.so symlink
- Make port ready for ffmpeg 2.4 and later
- Pet portlint
- Bump PORTREVISION

- Resolve merge conflicts by getting port on par with head

PR:		194161
Submitted by:	cyberbotx@cyberbotx.com (maintainer)
Approved by:	portmgr(erwin)
MFH: r370666

- Switch LocationforecastLTS to the new API (1.2), previous one is no longer
available
- Drop @dirm* in pkg-plist
- Bump PORTREVISION

Obtained from:	Upstream repository ('trunk' branch)
Approved by:	portmgr (erwin@)
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)