fix examples of mtv

[VinInn]

fix example to produce edm file.
add an harvesting step and a read me

[cmsbuild]

A new Pull Request was created by @VinInn (Vincenzo Innocente) for CMSSW_7_2_X.

fix examples of mtg

It involves the following packages:

Validation/RecoTrack

@ojeda, @danduggan, @rovere, @cmsbuild, @nclopezo, @deguio, @Degano can you please review it and eventually sign? Thanks.
@cerati, @GiacomoSguazzoni, @rovere, @wmtford this is something you requested to watch as well.
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[deguio]

+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: 56ded26
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-4753/429/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-4753/429/summary.html