Some sanity checks and helper methods.
Adding approximated force direction to contact information. This allows to retrieve an actor's impacting force vector at a contact for grasp quality measure.
Consider contact force vector for grasp planning.
Add eef configuration to grasp storage.


git-svn-id: http://svn.code.sf.net/p/simox/code/trunk@235 042f3d55-54a8-47e9-b7fb-15903f145c44

Moving grasp ang graspset to seperated directory.
Fixing ArmarIII definition file.
Adding some objects.
Adding standard object sphere.



git-svn-id: http://svn.code.sf.net/p/simox/code/trunk@225 042f3d55-54a8-47e9-b7fb-15903f145c44

Adding trajectory support to Scene.
Adding trajectory IO and visualization methods.


git-svn-id: http://svn.code.sf.net/p/simox/code/trunk@216 042f3d55-54a8-47e9-b7fb-15903f145c44

Adding support for sceneIO. Therefore several classes are now able to generate XML definition strings.

git-svn-id: http://svn.code.sf.net/p/simox/code/trunk@215 042f3d55-54a8-47e9-b7fb-15903f145c44

git-svn-id: http://svn.code.sf.net/p/simox/code/trunk@146 042f3d55-54a8-47e9-b7fb-15903f145c44