don't use pip -e install for libraries

libraries in openstack shouldn't be installed editable, as it
causes all manner of issues (especially complicated by the use
of namespace packages). Install these globally as part of the
devstack installation process.

Change-Id: I11acb169e74069be0618e57496ff342f9e788493
diff --git a/lib/oslo b/lib/oslo
index 8ef179c..2e1f6bf 100644
--- a/lib/oslo
+++ b/lib/oslo
@@ -34,44 +34,29 @@
 
 # install_oslo() - Collect source and prepare
 function install_oslo {
-    # TODO(sdague): remove this once we get to Icehouse, this just makes
-    # for a smoother transition of existing users.
-    cleanup_oslo
-
     git_clone $CLIFF_REPO $CLIFF_DIR $CLIFF_BRANCH
-    setup_develop $CLIFF_DIR
+    setup_install $CLIFF_DIR
 
     git_clone $OSLOCFG_REPO $OSLOCFG_DIR $OSLOCFG_BRANCH
-    setup_develop $OSLOCFG_DIR
+    setup_install $OSLOCFG_DIR
 
     git_clone $OSLOMSG_REPO $OSLOMSG_DIR $OSLOMSG_BRANCH
-    setup_develop $OSLOMSG_DIR
+    setup_install $OSLOMSG_DIR
 
     git_clone $OSLORWRAP_REPO $OSLORWRAP_DIR $OSLORWRAP_BRANCH
-    setup_develop $OSLORWRAP_DIR
+    setup_install $OSLORWRAP_DIR
 
     git_clone $OSLOVMWARE_REPO $OSLOVMWARE_DIR $OSLOVMWARE_BRANCH
-    setup_develop $OSLOVMWARE_DIR
+    setup_install $OSLOVMWARE_DIR
 
     git_clone $PYCADF_REPO $PYCADF_DIR $PYCADF_BRANCH
-    setup_develop $PYCADF_DIR
+    setup_install $PYCADF_DIR
 
     git_clone $STEVEDORE_REPO $STEVEDORE_DIR $STEVEDORE_BRANCH
-    setup_develop $STEVEDORE_DIR
+    setup_install $STEVEDORE_DIR
 
     git_clone $TASKFLOW_REPO $TASKFLOW_DIR $TASKFLOW_BRANCH
-    setup_develop $TASKFLOW_DIR
-}
-
-# cleanup_oslo() - purge possibly old versions of oslo
-function cleanup_oslo {
-    # this means we've got an old oslo installed, lets get rid of it
-    if ! python -c 'import oslo.config' 2>/dev/null; then
-        echo "Found old oslo.config... removing to ensure consistency"
-        local PIP_CMD=$(get_pip_command)
-        pip_install oslo.config
-        sudo $PIP_CMD uninstall -y oslo.config
-    fi
+    setup_install $TASKFLOW_DIR
 }
 
 # Restore xtrace