7x improvements in SiPixelClusterProxyBuilder

[alja]

from @arizzi :
Add the ability to draw single pixels in pixel clusters.

[cmsbuild]

A new Pull Request was created by @alja (Alja Mrak-Tadel) for CMSSW_7_2_X.

7x improvements in SiPixelClusterProxyBuilder

It involves the following packages:

Fireworks/Tracks

@Dr15Jones, @cmsbuild, @alja, @nclopezo, @Degano, @ktf can you please review it and eventually sign? Thanks.
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[alja]

+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: aa435ef
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-4681/360/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-4681/360/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).