Update config gen script to use static values for config options which values change based on the environment where this script run.
Update config gen script to use static values for config options which
values change based on the environment where this script run.

This way we ensure consistent and stable output of this script,
regardgless of where it runs.

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