don't populate interface vtables for abstract classes
don't populate interface vtables for abstract classes

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