issue #587: Add 2.8.0/Py2.7 job to Azure

Author: dw

.ci/azure-pipelines.yml

@@ -87,3 +87,9 @@ jobs:
         #VER: 2.6.2
         #DISTROS: debian
         #STRATEGY: linear
+
+      Vanilla_280_27:
+        python.version: '2.7'
+        MODE: ansible
+        VER: 2.8.0
+        DISTROS: debian