Add square root matrix function file, rename atom at funm_files, modify old toolbox to run it inside GNU Octave. added funm_files/fun_atom.m added sqrtm2.m added toolbox/gecp.m toolbox/see.m: comment wrong call to subplot toolbox/tmtdemo.m: add a cast to double, as eig does not admit bool matrix input removed funm_files/funm_atom.m

--- a/toolbox/see.m	Sat May 16 11:39:36 2015 +0200
+++ b/toolbox/see.m	Tue May 26 18:14:54 2015 +0200
@@ -59,6 +59,6 @@
       end
       text(0,0,'Matrix not square.')
    end
-   subplot;
+%   subplot;
 
 end