System.setProperty() should return the previous value of the property, if any
System.setProperty() should return the previous value of the property, if any

marcinolawski/avian,lwahlmeier/avian,lostdj/avian,badlogic/avian,ucdseniordesign/avian,badlogic/avian,bgould/avian,getlantern/avian,getlantern/avian,getlantern/avian,badlogic/avian,MaartenR/avian,bgould/avian,joshuawarner32/avian,minor-jason/avian,bigfatbrowncat/avian-pack.avian,bigfatbrowncat/avian-pack.avian,marcinolawski/avian,marcinolawski/avian,bgould/avian,badlogic/avian,lwahlmeier/avian,bigfatbrowncat/avian-pack.avian,dicej/avian,ucdseniordesign/avian,joshuawarner32/avian,getlantern/avian,minor-jason/avian,MaartenR/avian,lwahlmeier/avian,bgould/avian,lwahlmeier/avian,dicej/avian,joshuawarner32/avian,minor-jason/avian,MaartenR/avian,ucdseniordesign/avian,lostdj/avian,joshuawarner32/avian,ucdseniordesign/avian,dicej/avian,lostdj/avian,lostdj/avian,minor-jason/avian,marcinolawski/avian,dicej/avian,MaartenR/avian,bigfatbrowncat/avian-pack.avian