Minor changelog typo
Minor changelog typo

s/end end/and end/
StackStorm/st2,Plexxi/st2,Plexxi/st2,nzlosh/st2,nzlosh/st2,nzlosh/st2,nzlosh/st2,StackStorm/st2,StackStorm/st2,StackStorm/st2,Plexxi/st2,Plexxi/st2