Merge pull request #574 from dbetebenner/master

Update to Adam's branch and update of README
Merge pull request #575 from dbetebenner/master

Update of README
Merge pull request #576 from dbetebenner/master

data.table Bug fix in CSEM calculation when per student CSEM variable is...
Merge pull request #578 from dbetebenner/master

Updating URL and package version
Merge pull request #579 from dbetebenner/master

Update of SGPstateData with WIDA data
Merge pull request #580 from dbetebenner/master

Update of getStateAbbreviation with WIDA
Merge pull request #581 from dbetebenner/master

Bumping to 1.2-9.7 and updating WIDA SGPstateDAta
Set use the last value of the sgp.panel.years.lags to produce yearIncrement values instead of 1
Address YEAR_WITHIN in getTargetSGP (initially - may need to be more intelligent than ALWAYS using LAST_OBS = 1)
Merge branch 'master' of github.com:CenterForAssessment/SGP
Merge pull request #582 from dbetebenner/master

Update of SGPstateData/RLI info and updateSGP modifications
Bump version
Make getPanelDataVnames dependent on sgp.panel.years.lags for YEAR_WITHIN instead of defaulting to 1
Take version back down
Remove reference to lagged projections in check for straight projection names
bump up version number
Return tmp_object_2 with YEAR_WITHIN var included and keyed accordingly
Revert "bump up version number"

This reverts commit 609fccdd00f11414339d1715de0e2b6641e56430.
Set default jExp_Key for all progressions and make set up YEAR_WITHIN for lagged progressions
NULL out and recreate FIRST_ & LAST_OBSERVATION vars for YEAR_WITHIN