Now OpenGL under ceGUI

We have successfully moved Highrise Developer from pure SFML Render to OpenGL in an SFML Window. We also added Crazy Eddie's ceGUI to the front end to provide, dialogs, widgets and buttons. The project is building on OO patterns making project management much easier and clean.

All events run through a chain of responsibility pattern to different strategies.
Some of the floor level code is now implemented which will soon allow user placement of rental spaces.
The elevators are responding to simulated calls as if people were ridding them, we just need to set up queues and animation.
ToolBar is under development now.