Merged refs/pull/6468/head from repository cms-sw
speed up 25ns code - but getting down to minuit limitations
Merged hcal_speedups_141121 from repository davidlange6
Removing couts and correcting a bug.
exclude premix relvals from the MatrixReader
Merge pull request #6669 from StoyanStoynev/CMSSW_7_4_X_2014-11-27-0200/HCAL_David

HCAL reco speed up by David L.
Merge pull request #6722 from franzoni/no-premix-wf-CMSSW_7_4_X_2014-11-30-1400

exclude premix relvals from the MatrixReader (port 74x)
Merge remote branch 'origin/CMSSW_7_4_X' into CMSSW_7_0_X