Added the vessel annular description. Added the vessel resistivity as an average value of the poloidally space varying resistivity given in Jean-Marc LIUQE paper. Added type 0 to wall description

git-svn-id: https://spcsvn.epfl.ch/repos/TCV/gdat/trunk@12013 d63d8f72-b253-0410-a779-e742ad2e26cf