72X - fix division by zero

[vadler]

Trivial change to output message plus usage of edm::FileInPath in integration test code.

[cmsbuild]

A new Pull Request was created by @vadler (Volker Adler) for CMSSW_7_2_X.

72X - fix division by zero

It involves the following packages:

PhysicsTools/MVATrainer

@cmsbuild, @vadler, @nclopezo, @monttj 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.
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@nclopezo you are the release manager for this.
You can merge this pull request by typing 'merge' in the first line of your comment.

[vadler]

+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. @nclopezo can you please take care of it?

[cmsbuild]

+1
Tested at: fc00a64
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-5337/1002/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). @nclopezo can you please take care of it?

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-5337/1002/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). @nclopezo can you please take care of it?