Replacing Openstack Pike libraries by Queens

Change-Id: Ieb6d8219c7ce023a9d75242d70aeca43c89371af
Signed-off-by: Eduardo Sousa <eduardosousa@av.it.pt>
diff --git a/Dockerfile b/Dockerfile
index fccf66b..0a7a1d4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@
   DEBIAN_FRONTEND=noninteractive pip install -U pyang pyangbind && \
   DEBIAN_FRONTEND=noninteractive apt-get -y install python-yaml python-netaddr python-boto && \
   DEBIAN_FRONTEND=noninteractive apt-get -y install software-properties-common && \
-  DEBIAN_FRONTEND=noninteractive add-apt-repository -y cloud-archive:pike && \
+  DEBIAN_FRONTEND=noninteractive add-apt-repository -y cloud-archive:queens && \
   DEBIAN_FRONTEND=noninteractive apt-get update && \
   DEBIAN_FRONTEND=noninteractive apt-get -y install python-novaclient python-keystoneclient python-glanceclient python-cinderclient python-neutronclient && \
   DEBIAN_FRONTEND=noninteractive pip install -U progressbar pyvmomi pyvcloud==19.1.1 && \