Update CHANGES.txt.
Update CHANGES.txt.

getnikola/nikola,andredias/nikola,xuhdev/nikola,knowsuchagency/nikola,getnikola/nikola,andredias/nikola,xuhdev/nikola,getnikola/nikola,knowsuchagency/nikola,okin/nikola,xuhdev/nikola,gwax/nikola,okin/nikola,getnikola/nikola,xuhdev/nikola,okin/nikola,gwax/nikola,andredias/nikola,knowsuchagency/nikola,gwax/nikola,okin/nikola