Pre mixing mods for 7 0 x compatibility

[mdhildreth]

Actually checking the sequences in 7_0_0 revealed some needed modifications.

[cmsbuild]

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

Pre mixing mods for 7 0 x compatibility

It involves the following packages:

Configuration/StandardSequences
SimGeneral/DataMixingModule

@civanch, @nclopezo, @vlimant, @mdhildreth, @cmsbuild, @franzoni, @Degano, @davidlange6 can you please review it and eventually sign? Thanks.
@ghellwig, @cerati, @GiacomoSguazzoni, @rovere, @wmtan 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.

[civanch]

+1

[cmsbuild]

+1
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-2491/44/summary.html

[davidlange6]

+1