Fix missing "fixedGridRho" producer in GR sequence

[rappoccio]

There is a missing fixedGridRhoProducer in the Cosmics GR sequence, added now

[cmsbuild]

A new Pull Request was created by @rappoccio for CMSSW_7_1_X.

Fix missing "fixedGridRho" producer in GR sequence

It involves the following packages:

RecoJets/Configuration

@nclopezo, @cmsbuild, @anton-a, @thspeer, @slava77, @Degano can you please review it and eventually sign? Thanks.
@TaiSakuma, @nhanvtran this is something you requested to watch as well.
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@nclopezo, @ktf you are the release manager for this.
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[cmsbuild]

+1
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-2535/233/summary.html

[slava77]

+1

#2535 5fb6b29

jenkins is ok (the sequence is running in 4.22)

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_1_X IBs unless changes (tests are also fine). @nclopezo, @ktf can you please take care of it?