Updated Demo to 1.4

It is a relatively small update, but here it is:

-changed the demo version to "1.4" -fixed the controls menu bug -added inverted mouse axis options

As we are getting closer and closer to launch, we appreciate all the feedback we can get from you guys to help shape this game up and fix any bugs we might have missed. Right now this update is only available on Steam, but will be available to download on IndieDB and the games website on monday.