Add cliff, pycadf, stevedore, & taskflow from oslo

Oslo has adopted 4 libraries that were previously on
stackforge, so we can now install them from source.

Change-Id: I6b6e20a7884b47ade466fc38641a5ac1a5f3e146
diff --git a/stackrc b/stackrc
index 7eed60c..729c2f5 100644
--- a/stackrc
+++ b/stackrc
@@ -140,6 +140,10 @@
 OPENSTACKCLIENT_REPO=${OPENSTACKCLIENT_REPO:-${GIT_BASE}/openstack/python-openstackclient.git}
 OPENSTACKCLIENT_BRANCH=${OPENSTACKCLIENT_BRANCH:-master}
 
+# cliff command line framework
+CLIFF_REPO=${CLIFF_REPO:-${GIT_BASE}/openstack/cliff.git}
+CLIFF_BRANCH=${CLIFF_BRANCH:-master}
+
 # oslo.config
 OSLOCFG_REPO=${OSLOCFG_REPO:-${GIT_BASE}/openstack/oslo.config.git}
 OSLOCFG_BRANCH=${OSLOCFG_BRANCH:-master}
@@ -152,6 +156,18 @@
 OSLORWRAP_REPO=${OSLORWRAP_REPO:-${GIT_BASE}/openstack/oslo.rootwrap.git}
 OSLORWRAP_BRANCH=${OSLORWRAP_BRANCH:-master}
 
+# pycadf auditing library
+PYCADF_REPO=${PYCADF_REPO:-${GIT_BASE}/openstack/pycadf.git}
+PYCADF_BRANCH=${PYCADF_BRANCH:-master}
+
+# stevedore plugin manager
+STEVEDORE_REPO=${STEVEDORE_REPO:-${GIT_BASE}/openstack/stevedore.git}
+STEVEDORE_BRANCH=${STEVEDORE_BRANCH:-master}
+
+# taskflow plugin manager
+TASKFLOW_REPO=${TASKFLOW_REPO:-${GIT_BASE}/openstack/taskflow.git}
+TASKFLOW_BRANCH=${TASKFLOW_BRANCH:-master}
+
 # pbr drives the setuptools configs
 PBR_REPO=${PBR_REPO:-${GIT_BASE}/openstack-dev/pbr.git}
 PBR_BRANCH=${PBR_BRANCH:-master}