Minor reformatting and organization of class methods.
Minor organization.
Crista's magical reorganization.
Added MenuItems to TangleGraphList to show tangles in 3D.
Minor changes.
Added Tangle3DTetrahedronDialog. Now opening a Tangle3DTetrahedronDialog when the 'Show In 3D' options are selected in the popup menu of the TangleGraphList.
Added simple Coordinate System Axes in Tangle3DTetrahedronDialog.
Added Tangle3D class.
Minor changes.
Some refactoring. Added all jogl/hoal/gluegen libraries.