refactor var naming in pack config items schema handling for clarity
refactor var naming in pack config items schema handling for clarity

StackStorm/st2,Plexxi/st2,nzlosh/st2,nzlosh/st2,Plexxi/st2,Plexxi/st2,nzlosh/st2,StackStorm/st2,nzlosh/st2,StackStorm/st2,StackStorm/st2,Plexxi/st2