Pass same permission as we use when installing a pack to os.makedirs when we create a pack sub-directory.
Pass same permission as we use when installing a pack to os.makedirs
when we create a pack sub-directory.

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