Merge pull request #151 from r3dunlop/master

added more polymorphism for TGRSIHit
Added a handy function for gain matching on any two peaks
Fixed bug in MakeMatrices that caused it to crash if more AddBackHits than AddBackCloverHits were present
Merge pull request #154 from r3dunlop/master

update for util makefile
Merge branch 'master' of https://github.com/pcbend/GRSISort
added some comments