[SEBA-497]

Change to use 'xosproject/alpine-grpc-base' as Dockerfile parent image
Makefile, tox.ini and various improvements to dev tooling

Change-Id: Iddbfa7981cd3acac6f03a50949ea72c0bf5f27ad
diff --git a/VERSION b/VERSION
index 18efdb9..26aaba0 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.1.8
+1.2.0