Update of SGP Norm Group Preference for GA
Update of SGPstateData GA Baseline Matrices
Added N count to message when finishing studentGrowthPercentiles
Added student group size to studentGrowthProjections
Refinement of enhanced studentGrowthPercentiles and studentGrowthProjections output message
Merge pull request #346 from dbetebenner/master

Update of output message for studentGrowthPercentiles and studentGrowthProjections and SGPstateData for GA