Merge in by hand ikesisog-atCMS/annCode_04
Implemented DeadChannelNNContext. Now moving to file loading.
Neural network is now loaded from a file.
Some minor refactoring.
Merge EB/EE classes in RecoLocalCalo/EcalDeadChannelRecoveryAlgos/ .
Cosmetical (indentation) fixes in RecoLocalCalo/EcalDeadChannelRecoveryAlgos.
Remove RecoLocalCalo/EcalDeadChannelRecoveryProducers and RecoCaloTools/EcalChannelKiller since they are only for testing purposes, move the contents to RecoLocalCalo/EcalDeadChannelRecoveryAlgos/test/
Disable single channel recovery in RecoLocalCalo/EcalRecProducers/python/ecalRecHit_cfi.py
Refactor of RecoLocalCalo/EcalDeadChannelRecoveryAlgos.
Add a test analyzer to check EcalRecHit recovery.
Remove data files from RecoLocalCalo/EcalDeadChannelRecoveryAlgos.
Merge pull request #3247 from dmitrijus/neural-corrections

Reco -- Ecal ANN-based single channel recovery, take 3