fix cut-and-paste artifacts in readme.txt
fix cut-and-paste artifacts in readme.txt

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