Simcx

* Add the possibility to add several Simulator instances to one Display. Warning: API changed.
* F Key can be used to show or hide FPS display.
* The step interval can now be configured on creation of the Display.
* New class to generate fractals using Iterated Function Systems.
* New example on the usage of IFS Simulator.
* New example with an implementation of the Game of Life (Cellular Automaton).

* Add simulator class to draw bifurcation diagrams for the logistic equation.

* Add simulator classes to plot trajectories and cobweb diagrams.

* Add the possibility to continuously step the simulation.

v1.0b1, 2015-02-26 -- Initial release.