[INF-146]

Unify mechanism across multiple ci-management repos

- move converted per-repo jobs into the jjb/repos hierarchy

- Pull in macros (with onf- prefix) and common scripts from ONOS/Aether
  ci-management repos, unifying behavior

- Update tagging scripts to unify changes

- Update gerrit repo multi-checkout and patch script

- Change over to newer static host for publishing charts/docs

- use python3 venv instead of virtualenv

Change-Id: Id46fdc23679b8854c54e294a7fb022e69d6d28f9
diff --git a/Makefile b/Makefile
index af7a30a..1071410 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,7 @@
 
 $(VENV_DIR):
 	@echo "Setting up virtualenv for JJB testing"
-	virtualenv -p python3 $@
+	python3 -m venv $@
 	$@/bin/pip install jenkins-job-builder==$(JJB_VERSION) pipdeptree
 
 $(JOBCONFIG_DIR):