Remove change_apache_user_group function

This function allowed you to change the process running user for all of
apache. This is better handled on a per-process basis.

Change-Id: I165adc0c49fc328f34835856b49983c4e189f143
Fixes: bug 1226346
Fixes: bug 1225853
docker: ensure socat is installed

install_docker.sh failed for me because socat wasn't installed.  Add it
to this script since it expects it to be there.

Change-Id: Ic55f5e38de1b38bdd37407b7bec533d4c3eff2a9
xenapi: Use C locale

By exporting the LC_ALL=C we can get rid of localisation issues, as the
actual scripts are already assuming an english installation.

FIxes bug 1227527

Change-Id: Ieeebce4d53b09959146a970f3fb803201ac5ebdf
Fix LDAP support for openSUSE

Closes-Bug: #1227651
Change-Id: I1c55fbb2f65f882a0ae2bcf4767c0a3e0f0f47e7
Modified ceilometer alarm evaluator console script

Take account of the modification to the alarm evaluator
console script naming in the following commit:

  https://github.com/openstack/ceilometer/commit/bad5f18e

Change-Id: Ic7fc3b8ad7be9dd2a5b5ed3c07e169691229bb4d
Merge "Remove change_apache_user_group function"
Merge "Fix LDAP support for openSUSE"
Merge "xenapi: Use C locale"
Merge "docker: ensure socat is installed"
print out git references for trees

in order to be sure we understand the environment that's running
in an upstream test, print out the git information for the tree.
This will hopefully address questions of "which commit of tempest"
is being used for particular tests.

Change-Id: Ief4e8a17fd75945f02982d2adf8625fe927d823d
Merge "Modified ceilometer alarm evaluator console script"