simplify build to use docker

Signed-off-by: Mike Marchetti <mmarchetti@sandvine.com>
Change-Id: Ic70c5f279f4bda9b9605d1ab107e50dcad5cdd10
diff --git a/Dockerfile b/Dockerfile
index f1be5ab..28b7be9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,4 +2,5 @@
 
 RUN apt-get update && apt-get -y install git make python python3 \
     virtualenv libcurl4-gnutls-dev libgnutls-dev python-pip  python3-pip \
-    debhelper python-stdeb apt-utils
+    debhelper python-stdeb apt-utils python-nose python3-nose python-flake8 \
+    python-mock python3-mock