Add sgPlot.reports.group.vars argument to visualizeSGP
Merge branch 'master' of github.com:CenterForAssessment/SGP
Fix school name selection when NA's exist.
Check for when calculate.simex is FALSE (same as NULL)
Merge branch 'master' of github.com:CenterForAssessment/SGP
Updates for 2014 GA analyses
Merge pull request #679 from adamvi/master

Updates for 2014 GA analyses