Updated TrackerCSA14+LS1BPixRepair Scenario

The merged Scenario of TrackerCSA14+LS1BPixRepair was added; the details can be found in presentation from November 20th, Alignment meeting:

https://indico.cern.ch/event/342234/session/0/contribution/12/material/slides/1.pdf

Forward port from #6544. Merging directly since the former was fully signed in CMSSW_7_3_X.