Add code so that before splitting the first cube to be created, it is made cuboid, ensuring that none of the dimensions have a very small or zero width.
Add code so that before splitting the first cube to be created, it is made
cuboid, ensuring that none of the dimensions have a very small or zero width.


git-svn-id: 4705079bc6b8aadf675e3696f5c015a6aa4916e3@4220 3c1deb5b-d424-0410-962d-aba41a686d42

hsorby/zinc,hsorby/zinc,OpenCMISS/zinc,hsorby/zinc,OpenCMISS/zinc,OpenCMISS/zinc,OpenCMISS/zinc,hsorby/zinc