Fix for L1 problems observed in 74X FastSim

[Martin-Grunewald]

This PR should fix, for 74X, the L1T-FastSim issues reported here:
https://hypernews.cern.ch/HyperNews/CMS/get/relval/3378.html

(The 73X PR is #7390)

[cmsbuild]

A new Pull Request was created by @Martin-Grunewald (Martin Grunewald) for CMSSW_7_4_X.

Fix for L1 problems observed in 74X FastSim

It involves the following packages:

FastSimulation/HighLevelTrigger
HLTrigger/Configuration
L1Trigger/L1TCommon

@perrotta, @cmsbuild, @civanch, @nclopezo, @lveldere, @mdhildreth, @Martin-Grunewald, @fwyzard, @mulhearn can you please review it and eventually sign? Thanks.
@matt-komm, @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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[Martin-Grunewald]

+1

Works fine in CMSSW_7_4_X_2015-01-27-0200 plus PRs #7287 #7370 #7381 #7391

[lveldere]

+1

[Martin-Grunewald]

@mulhearn
Can you please sign this PR: it is the 74X equivalent of the 73X PR #7390 which you have signed already!

[mulhearn]

+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.