#718 modeling.forcefield uses List<Object>

[Egon Willighagen]

modeling.forcefield uses List<object> with Object's being List, Double, String. This makes it impossible to maintain without a breaking it... it should use a proper custom ForceFieldProperties object..

</object>

[Egon Willighagen]

The force field code was removed in patch:

commit 235b04fd3ce0b01cde5ef3fe1915ac5829a7ecba
Author: Egon Willighagen egonw@users.sourceforge.net
Date: Sat May 22 17:30:55 2010 +0200

Removed unstable forcefield code

Signed-off-by: Rajarshi Guha <rajarshi.guha@gmail.com>