Removed construction of RefProd from RefVector

[Dr15Jones]

Changes in the framework will remove the ability to create a RefProd
from a RefVector.

[Dr15Jones]

@wddgit

[cmsbuild]

A new Pull Request was created by @Dr15Jones (Chris Jones) for CMSSW_7_4_X.

Removed construction of RefProd from RefVector

It involves the following packages:

DataFormats/PatCandidates
PhysicsTools/PatAlgos

@cmsbuild, @vadler, @nclopezo, @monttj can you please review it and eventually sign? Thanks.
@rappoccio, @imarches, @ahinzmann, @acaudron, @mmarionncern, @nhanvtran, @schoef, @ferencek, @mariadalfonso, @pvmulder, @TaiSakuma this is something you requested to watch as well.
You can sign-off by replying to this message having '+1' in the first line of your reply.
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[Dr15Jones]

please test

[cmsbuild]

The tests are being triggered in jenkins.

[cmsbuild]

+1
Tested at: 9007ef9
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-7486/2266/summary.html

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-7486/2266/summary.html

[Dr15Jones]

@vadler @monttj ping

[monttj]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_4_X IBs unless changes (tests are also fine). This pull request will be automatically merged.