Update RelVal input to CMSSW_7_6_0_pre7

[ferencek]

No description provided.

[cmsbuild]

A new Pull Request was created by @ferencek (Dinko Ferencek) for CMSSW_7_6_X.

Update RelVal input to CMSSW_7_6_0_pre7

It involves the following packages:

PhysicsTools/PatAlgos

@cmsbuild, @vadler, @monttj can you please review it and eventually sign? Thanks.
@rappoccio, @imarches, @ahinzmann, @acaudron, @mmarionncern, @jdolen, @nhanvtran, @schoef, @ferencek, @gpetruc, @mariadalfonso, @pvmulder, @TaiSakuma this is something you requested to watch as well.
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@Degano you are the release manager for this.
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[davidlange6]

cmsbuild, please test