move initialization of do4x4Taus variable to avoid warnings
set 4x4 tau default to false
set ecal and hcal activity thresholds to 3 by default
fixed 4x8 tau double counting
removed repated of makeSums() and makeEGTaus()
changed logic in 4x8 if statement to use standard c++ operators (&&,||) instead of and and or
Merge pull request #24 from aglevine/uct2015Core

move initialization of do4x4Taus variable to avoid compilation warnings