Add oslo.utils and oslo.serialization

Install the oslo.utils and oslo.serialization libraries from source so
the gate tests run against master.

Change-Id: I2cb35c9dfd18588e4caa11134e6a34d83324e136
diff --git a/lib/oslo b/lib/oslo
index 025815c..152efdf 100644
--- a/lib/oslo
+++ b/lib/oslo
@@ -26,6 +26,8 @@
 OSLOI18N_DIR=$DEST/oslo.i18n
 OSLOMSG_DIR=$DEST/oslo.messaging
 OSLORWRAP_DIR=$DEST/oslo.rootwrap
+OSLOSERIALIZATION_DIR=$DEST/oslo.serialization
+OSLOUTILS_DIR=$DEST/oslo.utils
 OSLOVMWARE_DIR=$DEST/oslo.vmware
 PYCADF_DIR=$DEST/pycadf
 STEVEDORE_DIR=$DEST/stevedore
@@ -45,6 +47,12 @@
     git_clone $OSLOI18N_REPO $OSLOI18N_DIR $OSLOI18N_BRANCH
     setup_install $OSLOI18N_DIR
 
+    git_clone $OSLOUTILS_REPO $OSLOUTILS_DIR $OSLOUTILS_BRANCH
+    setup_install $OSLOUTILS_DIR
+
+    git_clone $OSLOSERIALIZATION_REPO $OSLOSERIALIZATION_DIR $OSLOSERIALIZATION_BRANCH
+    setup_install $OSLOSERIALIZATION_DIR
+
     git_clone $OSLOCFG_REPO $OSLOCFG_DIR $OSLOCFG_BRANCH
     setup_install $OSLOCFG_DIR