Add statsd to pip-requires.

* tools/pip-requires: Added statsd. Fixes bug 1116542.

Change-Id: If54f851f9c1ac3221056fd1557af32b669424d63
Enable tempest cli tests in devstack gate

Runs unittests in the folder cli in tempest repo
xml file name: nosetests-cli.xml

Change-Id: I441d8547326e612561db6b1a5f58c345684121b0
Merge "Enable tempest cli tests in devstack gate"
Set backdoor port to a random port.

This commit enables the eventlet backdoor on a random port
for each service. For tempest coverage runs this allows the
coverage extension to connect to other services to enable
coverage reporting.

Change-Id: I1a2e9e9a8d14982276fd9683591563d4b5a65be8
Merge "Add statsd to pip-requires."