Extra cuts for lumi monitor simulations

[civanch]

New lumi monitors have small acceptance, so ordinary simulation is very ineffective. In this PR a new filter allowing selection of primary particles is added. By default this filter is not enabled, so no effect for mainstream production.

[cmsbuild]

A new Pull Request was created by @civanch (Vladimir Ivantchenko) for CMSSW_7_2_X.

Extra cuts for lumi monitor simulations

It involves the following packages:

SimG4Core/Application
SimG4Core/Generators

@cmsbuild, @civanch, @Degano, @mdhildreth, @nclopezo can you please review it and eventually sign? Thanks.
You can sign-off by replying to this message having '+1' in the first line of your reply.
You can reject by replying to this message having '-1' in the first line of your reply.

[civanch]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_2_X IBs unless changes or unless it breaks tests.

[cmsbuild]

+1
Tested at: 8f2be62
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-4877/552/summary.html

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_2_X IBs unless changes (tests are also fine).

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-4877/552/summary.html