Add 2012 Free and Reduced Lunch Pct

KDE sent email for FRD lunch data off the school report cards
Build state wide "reported" graduation rate

"State" data was at the bottom of the two data sets that were already in
possession
School Report Card with FRD for 2012
FRD 2012 cleaned data
State grad data cleaned up
Added FRD lunch and State-wide grad rate

added to plots