git-svn-id: https://geuz.org/svn/gmsh/trunk@20064 59c8cabf-10d6-4a28-b43f-3936b85956c4
High order optimizer: moved functions for computation of distance to CAD to separate files 

git-svn-id: https://geuz.org/svn/gmsh/trunk@20065 59c8cabf-10d6-4a28-b43f-3936b85956c4