Introduce Newton release for Glance

Add configuration files and parameters for Newton release

Change-Id: I3707165dedfba6e231042af93a14de45510ed67a
diff --git a/tests/pillar/single.sls b/tests/pillar/single.sls
index 772aab0..804c90f 100644
--- a/tests/pillar/single.sls
+++ b/tests/pillar/single.sls
@@ -1,7 +1,7 @@
 glance:
   server:
     enabled: true
-    version: liberty
+    version: newton
     workers: 1
     database:
       engine: mysql