move cli directory into new tree structure

this nests cli under the existing tempest directory, a symlink is
provided as a work around for the gate until we make the gate
aware of the move.

Part of bp:tempest-repo-restructure

Change-Id: I2db2d500de7b0c32cfd3733fbbecd6c057c84da3
diff --git a/tox.ini b/tox.ini
index 565a9ad..6de8825 100644
--- a/tox.ini
+++ b/tox.ini
@@ -20,8 +20,8 @@
          NOSE_OPENSTACK_SHOW_ELAPSED=1
          NOSE_OPENSTACK_STDOUT=1
 commands =
-  nosetests --logging-format '%(asctime)-15s %(message)s' --with-xunit --xunit-file=nosetests-full.xml -sv tempest
-  nosetests --logging-format '%(asctime)-15s %(message)s' --with-xunit --xunit-file=nosetests-cli.xml -sv cli
+  nosetests --logging-format '%(asctime)-15s %(message)s' --with-xunit --xunit-file=nosetests-full.xml -sv tempest/tests
+  nosetests --logging-format '%(asctime)-15s %(message)s' --with-xunit --xunit-file=nosetests-cli.xml -sv tempest/cli
 
 [testenv:smoke]
 sitepackages = True
@@ -47,8 +47,8 @@
          NOSE_OPENSTACK_STDOUT=1
 commands =
    python -m tools/tempest_coverage -c start --combine
-   nosetests --logging-format '%(asctime)-15s %(message)s' --with-xunit --xunit-file=nosetests-full.xml -sv tempest
-   nosetests --logging-format '%(asctime)-15s %(message)s' --with-xunit --xunit-file=nosetests-cli.xml -sv cli
+   nosetests --logging-format '%(asctime)-15s %(message)s' --with-xunit --xunit-file=nosetests-full.xml -sv tempest/tests
+   nosetests --logging-format '%(asctime)-15s %(message)s' --with-xunit --xunit-file=nosetests-cli.xml -sv tempest/cli
    python -m tools/tempest_coverage -c report --html
 
 [testenv:pep8]