VOL-1613: Redo Makefile and Dockerfile to new standard

Needed for proper releases

Also update system-test compose and docs needed to
run images using new build.

Change-Id: Idc00317de476fe943ec937977bf863a46c1e8305
diff --git a/.gitignore b/.gitignore
index ef199d3..1c464a6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,9 +13,6 @@
 .vagrant
 *.box
 
-# venv
-.venv
-
 # Ansible
 ansible/*.retry
 
@@ -23,12 +20,7 @@
 *.swp
 
 # Virtualenv
-venv
-venv-darwin
-venv-linux
-adapters/venv
-adapters/venv-linux
-adapters/venv-darwin
+python/venv-*
 
 # Protobuf output files
 python/**/*_pb2.py