Sort oslo libraries and add missing oslo.context

Ensure both lists of oslo libraries are sorted and
add the missing oslo.context in install_oslo method

Change-Id: I5b849c97b681e65425304e05534a61140e4e1fda
diff --git a/lib/oslo b/lib/oslo
index d00580b..1fff1f5 100644
--- a/lib/oslo
+++ b/lib/oslo
@@ -21,14 +21,14 @@
 # Defaults
 # --------
 GITDIR["cliff"]=$DEST/cliff
-GITDIR["oslo.config"]=$DEST/oslo.config
 GITDIR["oslo.concurrency"]=$DEST/oslo.concurrency
+GITDIR["oslo.config"]=$DEST/oslo.config
 GITDIR["oslo.context"]=$DEST/oslo.context
 GITDIR["oslo.db"]=$DEST/oslo.db
 GITDIR["oslo.i18n"]=$DEST/oslo.i18n
 GITDIR["oslo.log"]=$DEST/oslo.log
-GITDIR["oslo.middleware"]=$DEST/oslo.middleware
 GITDIR["oslo.messaging"]=$DEST/oslo.messaging
+GITDIR["oslo.middleware"]=$DEST/oslo.middleware
 GITDIR["oslo.rootwrap"]=$DEST/oslo.rootwrap
 GITDIR["oslo.serialization"]=$DEST/oslo.serialization
 GITDIR["oslo.utils"]=$DEST/oslo.utils
@@ -54,16 +54,17 @@
 # install_oslo() - Collect source and prepare
 function install_oslo {
     _do_install_oslo_lib "cliff"
-    _do_install_oslo_lib "oslo.i18n"
-    _do_install_oslo_lib "oslo.utils"
-    _do_install_oslo_lib "oslo.serialization"
-    _do_install_oslo_lib "oslo.config"
     _do_install_oslo_lib "oslo.concurrency"
-    _do_install_oslo_lib "oslo.log"
-    _do_install_oslo_lib "oslo.middleware"
-    _do_install_oslo_lib "oslo.messaging"
-    _do_install_oslo_lib "oslo.rootwrap"
+    _do_install_oslo_lib "oslo.config"
+    _do_install_oslo_lib "oslo.context"
     _do_install_oslo_lib "oslo.db"
+    _do_install_oslo_lib "oslo.i18n"
+    _do_install_oslo_lib "oslo.log"
+    _do_install_oslo_lib "oslo.messaging"
+    _do_install_oslo_lib "oslo.middleware"
+    _do_install_oslo_lib "oslo.rootwrap"
+    _do_install_oslo_lib "oslo.serialization"
+    _do_install_oslo_lib "oslo.utils"
     _do_install_oslo_lib "oslo.vmware"
     _do_install_oslo_lib "pycadf"
     _do_install_oslo_lib "stevedore"