NOTE 2d mesher is not released yet

The 2d mesher is not released at present. In the next release I hope to add the following:-
*The 2d Mesher for M3d planner surface only (for now). 
*2d plane stress solution sequence.
*2d plane strain solution sequence.
*2d axi-symetric solution sequence.
*Fixes for the tet mesher.
The 2d meshes generated can be solved with the full 3d lin-static solution sequence but for completeness I will add the 2 DOF solutions.