* update the timing simulation for 2016.
	  src/TimeSvc.cxx .h: add new parameterization from 2015 collision data.
		src/PixelCellDiscriminator.cxx .h: default use 2015 timing.
	* update Bichsel model with improved execution time.
    src/BichselSimTool.cxx .h
		src/Ibl3DBichselChargeTool.cxx .h
		src/IblPlanarBichselChargeTool.cxx .h
		src/PixelBarrelBichselChargeTool.cxx .h
		src/PixelECBichselChargeTool.cxx .h
    share/Bichsel_1.dat _1_10steps.dat _1_5steps.dat
    share/Bichsel_2.dat _2_10steps.dat _2_5steps.dat
    share/Bichsel_3.dat _3_10steps.dat _3_5steps.dat
    share/Bichsel_4.dat _4_10steps.dat _4_5steps.dat
    share/Bichsel_5.dat _5_10steps.dat _5_5steps.dat
    share/Bichsel_6.dat _6_10steps.dat _6_5steps.dat

2016-04-05  John Chapman  <John.Chapman@cern.ch>

	* src/BichselSimTool.cxx (BichselSim): comment out unused
...
(Long ChangeLog diff - truncated)