Patch v0.5.0.2

We have modified the way the different types of floors are separated.
We have modified the way the upper parts of the doors are shown.
We have fixed a bug that showed the doors of the rooms in black color.
Now the floor of an occupied room is not shown in black when you are in the floor view of the Construction Mode.
We have fixed a bug causing the camera to be placed in the wrong position in some resolutions.
We have fixed a bug that reset the resolution in windowed mode when entering options.