AlphaT HLT filter update for 73X

[aelwood]

Split up the alphaT HLT DQM module and HLT Filter into two new pull requests (as suggested in #6003 ). Rearranged the HLTrigger/JetMET module slightly to allow for the use of the AlphaT class in other modules

[cmsbuild]

A new Pull Request was created by @aelwood for CMSSW_7_3_X.

AlphaT HLT filter update for 73X

It involves the following packages:

HLTrigger/JetMET

@Martin-Grunewald, @perrotta, @cmsbuild, @nclopezo, @fwyzard 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.
@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
Tested at: 5b54be0
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-6088/497/summary.html

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-6088/497/summary.html

[Martin-Grunewald]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_3_X IBs unless changes (tests are also fine). This pull request will be automatically merged.