Modify get_directory_description to return a flat cell

(cherry picked from commit b840af9f)

matlab/utilities/tests/get_directory_description.m

@@ -24,9 +24,10 @@ file = 1;
 for f=1:length(dd)
     if ~(isequal(dd(f).name,'.') || isequal(dd(f).name,'..'))
         if dd(f).isdir
-            flist(file) = { get_directory_description([ basedir filesep dd(f).name]) };
+            r = get_directory_description([ basedir filesep dd(f).name]);
+            flist = { flist{:} r{:} };
         else
-            flist(file) = { [basedir filesep dd(f).name] };
+            flist{length(flist)+1} = [basedir filesep dd(f).name];
         end
         file = file + 1; 
     end

matlab/utilities/tests/run_unitary_tests.m

@@ -20,10 +20,6 @@ function [report, time] = run_unitary_tests(listoffiles)
 report = {};
     
 for f=1:length(listoffiles)
-    if iscell(listoffiles{f})
-        info = run_unitary_tests(listoffiles{f});
-        report = [report; info];
-    else
     if isequal(listoffiles{f}(end-1:end),'.m') && isempty(strfind(listoffiles{f},'.#'))
         if is_unitary_test_available(listoffiles{f})
             disp(['***** Process unitary tests in      ' listoffiles{f}])
@@ -34,7 +30,6 @@ for f=1:length(listoffiles)
         end
     end
 end
-end
 
 if nargout>1
     time = clock;