New features web ergometer

[tijmenvangulik]

I have just added some new power curve features to the ergometer app:

- Select power curves which is shown in in combination with your own power curve. This way you can see the the difference
- Draw your own power curve using bezier curves. (you can use your own power curve to draw the perfect curve)
- import/export of curves
- show curve difference in the power graph.

This is all the preparation for the next step, the curve advisor.
I have included some curves which I think are often used. But if some one has more or better curves. Please send them to me.

You can start the app using:
http://www.vangulik.org/Ergometer/
(best to use Chrome)

Tijmen