Filename changes to reflect dropbox image names.
Camera fixes its offset to prevent view clipping.
Camera zoom fix.
Floors tiling works again.
Abstracted the tiling functionality from existing Floor, Ladder, and Stair classes. Tiling objects should now extend TileableGameObject.
Camera can now follow a GameObject.
Camera control updated.
Added Camera coordinate conversion functions.
Used coordinate conversions to fix invention control errors while zoomed.
Merge branch 'feature/menu' of https://github.com/DAWacker/SleepyScientist into develop

Conflicts:
	SleepyScientist/SleepyScientist/Game1.cs
	SleepyScientist/SleepyScientist/SleepyScientist.csproj
Fixed errors produced by menu/develop merge.
git checkout wanted me to commit csproj file.
Merge branch 'develop' into feature/menu

Conflicts:
	SleepyScientist/SleepyScientist/Game1.cs
	SleepyScientist/SleepyScientist/SleepyScientist.csproj