Removed unneccesary images.
Added button depressing.
Deselect invention after death / level change
You now interact with inventions while they're selected.
New images and linked functionality added.
Merge branch 'develop' of https://github.com/DAWacker/SleepyScientist into develop
Prevent freezing when invention can't reach target floor.
The scientist slowed his roll.
Prevent inventions from stopping on top of pits.
Merge branch 'feature/AI' of github.com:DAWacker/SleepyScientist into develop

Conflicts:
	SleepyScientist/SleepyScientist/GameConstants.cs
	SleepyScientist/SleepyScientist/Scientist.cs