MFH r371694,373256,373752: security update to 2.3.6.

Security:	23ab5c3e-79c3-11e4-8b1e-d050992ecde8
Approved by:	ports-secteam
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)
Update PostgreSQL tzdata for Europe from 2014e up to 2014i.