backport of OpenLoops v1.3.1

[pmillet]

As discussed in GEN technical meeting: backport of OpenLoops version v1.3.1, which is already present in 81X and 90X.

[cmsbuild]

A new Pull Request was created by @pmillet for branch IB/CMSSW_7_1_X/stable.

@cmsbuild, @smuzaffar, @iahmad-khan, @davidlange6 can you please review it and eventually sign? Thanks.
You can sign-off by replying to this message having '+1' in the first line of your reply.
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[smuzaffar]

@cmsbuild, please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/cmsdist-test-pr/469/console

[cmsbuild]

-1

Tested at: 34f9354

You can see the results of the tests here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-2761/469/summary.html

I found follow errors while testing this PR

Failed tests: AddOn

• AddOn:

I found errors in the following addon tests:

cmsRun /cvmfs/cms-ib.cern.ch/week0/slc6_amd64_gcc481/cms/cmssw/CMSSW_7_1_X_2017-01-08-0800/src/PhysicsTools/PatAlgos/test/IntegrationTest_cfg.py : FAILED - time: date Wed Jan 11 11:10:37 2017-date Wed Jan 11 11:10:09 2017 s - exit: 16640

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-2761/469/summary.html