Migrate to New Random Service Interface

[wddgit]

Migrate to the new random number service interface
designed for multithreaded execution.Also remove
a potential memory leak from TxCalculator. Note that
neither of the two classes modified is used or referenced
by anything in CMSSW.

[cmsbuild]

A new Pull Request was created by @wddgit (W. David Dagenhart) for CMSSW_7_1_X.

Migrate to New Random Service Interface

It involves the following packages:

RecoHI/HiEgammaAlgos
RecoJets/FFTJetProducers

@nclopezo, @cmsbuild, @anton-a, @thspeer, @slava77, @Degano can you please review it and eventually sign? Thanks.
@TaiSakuma, @jazzitup, @yenjie, @kurtejung, @mandrenguyen, @richard-cms, @yetkinyilmaz 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.
You can reject by replying to this message having '-1' in the first line of your reply.
@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.

[cmsbuild]

+1
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-2436/158/summary.html

[slava77]

+1

for #2436 edf3874
based on

• jenkins and
• a private test of an HI wflow (can't say if it actually touched the code in question) CMSSW_7_1_X_2014-02-12-1400/sign308

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_1_X IBs unless changes (tests are also fine). @nclopezo, @ktf can you please take care of it?