Gf update premix input from cmssw 7 0 6

[franzoni]

• update premix input from cmssw 7 0 6
• and update datatier string (which affects only production)

[cmsbuild]

A new Pull Request was created by @franzoni for CMSSW_7_0_X.

Gf update premix input from cmssw 7 0 6

It involves the following packages:

Configuration/PyReleaseValidation

@nclopezo, @vlimant, @cmsbuild, @franzoni, @Degano, @davidlange6 can you please review it and eventually sign? Thanks.
@ghellwig 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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@nclopezo, @ktf you are the release manager for this.
You can merge this pull request by typing 'merge' in the first line of your comment.

[franzoni]

+1
tested with 5 wf's in the matrix

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_0_X IBs unless changes or unless it breaks tests. @nclopezo, @ktf can you please take care of it?

[cmsbuild]

+1
Tested at: da807fc
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-4351/208/summary.html

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_0_X IBs unless changes (tests are also fine). @nclopezo, @ktf can you please take care of it?