changed the simex function so that we can use 'variable' instead of 'state'
no longer require panel.data.vnames to be able to use variable in simex calculation in studentGrowthPercentiles
add an option to use loss.hoss from 'variable' as well as 'state'
add an option to use loss.hoss from 'variable' as well as 'state'
remove key from parallelization of .simex.sgp
Merge pull request #446 from dbetebenner/master

Update of SD meta-data
Merge pull request #447 from dbetebenner/master

Adding in some minor bug fixes in summarizeSGP
Merge pull request #449 from dbetebenner/master

Adding refresh capability to updateSGP
revised simex code
removed fitted.b to reduce memory consumption
removed fitted.b to reduce memory consumption
merge with upstream
removed extra studentGrowthPercentiles backups
bug fix for simex.sgp
bug fix for simex.sgp
Clean up institution_inclusion in summary.groups so that ENROLLMENT_STATUS can be excluded
Clean up indentation
Add in conditional to keep SHRINKAGE from being automatically attempted
Merge pull request #450 from shangyi/master

revised studentGrowthPercentiles
Yi and Damian's changes