empty .gitignore added
gitignore: *.swp files (vim swap) ignored
libraries added:
 - geom2d
 - geom3d
 - error_ellipse
my_2D_error_ellipse.m created:
 - error_ellipse.m copied
 - one line (line 137) commented: %set(h1,'zdata',z+1)
first version
 with my_2D_error_ellipse usage