Merge pull request #430 from adamvi/master

Add Utah EOCT knots and boundaries
Beginning of adding in targets to studentGrowthPlots and a bug fix from the scale score target calculation for lagged targets
Tweak to way random students are selected for individual student reports at random
Merge pull request #431 from adamvi/master

Remove keying from parallel SIMEX implimentations
Update of studentGrowthPercentiles and SGPstateData
Update of lagged cutscore calculation
Changed of CURRENT to LAGGED in naming
Update of target naming
Update of labelling of targets in studentGrowthProjections
Bug fix from previous commit
Update of naming bug
Bug fix from previous commits
Bug fix from studentGrowthProjections renaming in growthAchievementPlot
Remove browser()
Bug fix in outputSGP regarding converting variables
Beginning updates of studentGrowthPlot
Naming fixes associated with scale score targets
Update of outputSGP and studentGrowthProjections
Refinining implementation of scale score targets
Merge pull request #432 from dbetebenner/master

Updates, bug fixes, refinements associated with scale score targets