Update few files to Christian's private copy

which was advanced a bit since CVS HEAD.
Add INSTRUCTIONS file and simple addSpinWeight.py
Make muonRadiationFilter use original PFlow candidates
Patch for TauSpinner rnd Check in 7_0_0_pre8
Provide RandomNumberGeneratorService for TauSpinner
Remove #warning about ZDCRecHit mixing

ZDC is not relevant for embedded tau samples
Remove EGamma/EGammaAnalysisTools from BuildFile.xml

The package is actually not needed at the moment.
Change INSTRUCTIONS file so that it can be run out of the box

Just doing `source INSTRUCTIONS'
Fix transition test to comply with the new enableMultiThread flag of DQMStore
Merge branch 'from-CMSSW_7_0_X_2013-11-29-0200' into new-conddb
Removed reference to deleted header
Consumes migration
Consumes migration
Migration of TrackingRegion to comsumes
Consumes migration
Temporary change for TrackingRegion consumes migration
Temporary change for TrackingRegion consumes migration
Migration of TrackingRegion to comsumes
Temporary change for TrackingRegion consumes migration
Migration of TrackingRegion to comsumes