Update types of event/run/lumi in Tracking/Vertexing
Revert changes in this file (avoiding ROOT ntuple inconsistencies).
Merge pull request #6252 from StoyanStoynev/fix32bit/TrackingVertexing/CMSSW_7_3_X_2014-11-06-0200

Update types of event/run/lumi in Tracking/Vertexing