remove CaloMET_OldNames_cfi.py
remove CaloMET_OldNamesOpt_cfi.py
change aliases of caloMet*
Merge pull request #4259 from TaiSakuma/metdev-72X-140615_01

code-cleaning in RecoMET/METProducers/python
Merge remote branch 'origin/CMSSW_7_2_X' into CMSSW_7_0_X