Pooser ngc calib (#169)

* Add various run specific gain calibration constants for the SHMS HGC & NGC

* Add KPP specific Chrenkov parameter files

* Default to KPP run 488 for now

* Include directory structure for databases

Add specific KPP runs to general database

* Remove deprecated database files

* Modify shms stack analyzer script to handle new DB structure

* Include new DB structure to various replay scripts

* Include calibration constants for the SHMS calorimeter

Add low momentum run to kinematics file

* Add calibration constants for good kpp calo runs