Pv2for hlt

[Martin-Grunewald]

HLT changes required by PR #1547, including a py fix in HI.
This PR includes and superseeds #1547.

[cmsbuild]

A new Pull Request was created by @Martin-Grunewald (Martin Grunewald) for CMSSW_7_0_X.

Pv2for hlt

It involves the following packages:

HLTrigger/Configuration
RecoTracker/TkSeedGenerator
RecoPixelVertexing/PixelLowPtUtilities

@perrotta, @cmsbuild, @nclopezo, @fwyzard, @Martin-Grunewald, @thspeer, @slava77 can you please review it and eventually sign? Thanks.
@ghellwig, @gpetruc, @GiacomoSguazzoni, @rovere, @cerati 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.
@ktf you are the release manager for this.

[Martin-Grunewald]

+1

[cmsbuild]

+1
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/1441/summary.html

[slava77]

+1

tested 1d659f1 in CMSSW_7_0_X_2013-11-22-0200 (sign275)

no differences as expected

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next IBs unless changes or unless it breaks tests. @ktf can you please take care of it?