fix tee errors

Do not specify /dev/fd3 directly, use >&3 instead. This change enables
to use stack.sh as an upstart script, and with VERBOSE=False, it will
print the expected messages.

Fixes bug 1230342

Change-Id: I6e3a81fd435e8c46d553bfdee08f8bf42d0f4387
Enable tenant isolation to tempest for neutron

This commit re-enables tenant isolation in tempest for neutron. This
is a requirement for running tempest in parallel. This commit depends
on tempest change I7587c85017cca09f7a67eae0670f67b2bceacb60

Fixes bug 1216076

Change-Id: I63a30bacd48cecd110fb90e1fc718249c2b1904b
Merge "fix tee errors"
Merge "Enable tenant isolation to tempest for neutron"