[Kalzium] Qt-4-based Molecular Editor

[Benoît Jacob]

> To quote Benoît:
> > (btw: Eigen is Qt-only, you could use it)
>
> Eigen is ANSI-c++ which means that it can be used in OpenBabel. No
> Q-classes involved.

well, at some point I've been considering using QList somewhere, but I admit 
that it's not really needed, so OK, let's call it ANSI-c++.

Benoît