Move run-aa-test to common

See merge request !1

Move the converted run-aa-test script to the common directory. This script
is used by a number of tests, ensure this converted version is available
for others to use when the other tests are converted.

Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk>

Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk>

Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk>

git-subtree-dir: common
git-subtree-mainline: a2997b21
git-subtree-split: 5f7c5884

Rather than housing the source code for the dbus-server in tree, grab a copy
from the built binary package.

Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk>

Signed-off-by: Martyn Welch <martyn@welchs.me.uk>

Signed-off-by: Martyn Welch <martyn@welchs.me.uk>

Signed-off-by: Frédéric Dalleau <frederic.dalleau@collabora.com>

Signed-off-by: Martyn Welch <martyn@welchs.me.uk>

Signed-off-by: Martyn Welch <martyn@welchs.me.uk>

Signed-off-by: Martyn Welch <martyn@welchs.me.uk>

This is basically the demo provided by Lennart.

Signed-off-by: Martyn Welch <martyn@welchs.me.uk>

Add more helper scripts required by tests

See merge request common!1