Added BFC options for full IST hit reconstruction i.e. raw hit -> cluster -> hit. Also added options for future IST
modules istFastSim, istQA, and istCalib
Merge branch 'ds-pxl' into hft-dev
Merge branch 'ds-ist' into hft-dev

Conflicts:
	BigFullChain.h
Merge branch 'ds-ftune' into hft-dev