fix memory leak in PFRecHitCaloNavigators that actually owned their topologies
more l1 consumes
Thread safety cleanup in IOVService

To resolve a warning from the thread safety static checker,
change a function from const to non-const. The function
modifies a data member it owns through a pointer.
Merge pull request #3684 from davidlange6/140506_L1_consumes_t3

more l1 consumes
Merge pull request #3732 from wddgit/threadSafetyCleanupIOVService

MT -- Thread safety cleanup in IOVService
Merge pull request #3676 from lgray/fix_pfrhleak

Reco -- Fix memory leak in PFRecHitCaloNavigator*
Merge remote branch 'origin/CMSSW_7_1_X' into CMSSW_7_0_X