Fix -h / --help flag for the following execution commands: cancel, pause, resume, tail.
Fix -h / --help flag for the following execution commands: cancel,
pause, resume, tail.

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