backport stage1 unpacker to 74x

[mulhearn]

This is the 74X backport of #10163.

[cmsbuild]

A new Pull Request was created by @mulhearn for CMSSW_7_4_X.

backport stage1 unpacker to 74x

It involves the following packages:

EventFilter/L1TRawToDigi
HLTrigger/Configuration
L1Trigger/L1TCommon

The following packages do not have a category, yet:

EventFilter/L1TRawToDigi

@Martin-Grunewald, @perrotta, @cmsbuild, @mulhearn, @fwyzard can you please review it and eventually sign? Thanks.
@Martin-Grunewald, @geoff-smith, @jalimena 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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If you are a L2 or a release manager you can ask for tests by saying 'please test' in the first line of a comment.
@Degano you are the release manager for this.
You can merge this pull request by typing 'merge' in the first line of your comment.

[mulhearn]

please test

[Martin-Grunewald]

What about 75X?

[cmsbuild]

The tests are being triggered in jenkins.

[cmsbuild]

Pull request #10234 was updated. @Martin-Grunewald, @perrotta, @cmsbuild, @mulhearn, @fwyzard can you please check and sign again.

[mulhearn]

Coming next.... isn't it easier to work forward?

[cmsbuild]

+1
Tested at: 106c5d9
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-10234/72699/summary.html

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-10234/72699/summary.html

[davidlange6]

whoops - my last comment in #10463 was meant for this - changes to 25ns MC that can not be avoided.