Bulk disable node==qa-test-vm offline + makefile edits

jjb/voltha-test/voltha-release-jobs/voltha-2.11.yaml
jjb/voltha-test/voltha-release-jobs/voltha-2.12.yaml
----------------------------------------------------
  o Disable 4 jobs hanging on node==qa-test-vm.

config.mk
makefiles/lint/include.mk
-------------------------
  o Refresh from repo:onf-make
  o Pull in more lint targets (~doc8).
  o Pull in per-repository configs to sync with config makefile v1.5
  o See comment at [EOF] for details.

makefiles/virtualenv.mk
-----------------------
  o Refresh target logic for pip install -r requirements.txt
  o if exists install as a single block not as reliable as multiple statements.

Change-Id: I6199498f672abd8fdc59c20a757190cc897e7a5c
diff --git a/jjb/voltha-test/voltha-release-jobs/voltha-2.11.yaml b/jjb/voltha-test/voltha-release-jobs/voltha-2.11.yaml
index b7fdbd9..552e6b0 100644
--- a/jjb/voltha-test/voltha-release-jobs/voltha-2.11.yaml
+++ b/jjb/voltha-test/voltha-release-jobs/voltha-2.11.yaml
@@ -30,7 +30,7 @@
     jobs:
       # flex OCP pod with olt/onu - Default tech profile and timer based job
       - 'build_voltha_pod_release_timer':
-          disable-job: false
+          disable-job: true
           build-node: 'qa-testvm-pod'
           config-pod: 'flex-ocp-cord'
           release: '2.11'