A few fixes for Tracking stuffs: do not delete at endRun what is created in the constructor
cleanup
Merge pull request #1721 from perrotta/trackingRelatedFixes

Reco fixes -- A few fixes for Tracking stuffs: do not delete at endRun what is created in the constructor
Merge remote-tracking branch 'origin/CMSSW_7_0_X' into CMSSW_7_0_X