[Issue #11] Validation warnings are now logged as WARN messages when they ocurr

during validation of GUI elements.

bin/FIJI/Settings.pm

@@ -376,7 +376,7 @@ sub validate_fiu_value {
 #   \param old      (optional) previously valid value
 #   \param log_func (optional) the (log4perl) log function to use
 #                   (defaul is \&Log::Log4perl::Logger::trace)
-sub validate_value ($$$;$$) {
+sub validate_value {
     my $logger = get_logger("");
     my ($map_ref, $k, $v_ref, $dep_ref, $old, $log_func) = @_;
     $log_func = \&Log::Log4perl::Logger::trace if !defined($log_func);

bin/Tk/FIJISettingsViewer.pm

@@ -1268,6 +1268,7 @@ sub _validate_fiu_entry {
 }
 
 sub _validate_entry {
+    my $logger = get_logger("");
     my ($map, $self, $widget, $name, $old_ref, $new_ref, $diff, $old_str, $char_idx, $brokentype) = @_;
 
     my $dep_ref;
@@ -1276,7 +1277,7 @@ sub _validate_entry {
         $dep_ref = \$self->{'settings'}->{'design'}->{$map->{$name}->{'depends_on'}};
     }
 
-    my $ok = FIJI::Settings::validate_value($map, $name, $new_ref, $dep_ref, $$old_ref);
+    my $ok = FIJI::Settings::validate_value($map, $name, $new_ref, $dep_ref, $$old_ref,\&Log::Log4perl::Logger::warn);
     _highlight_widget($widget, (!$ok));
 
     # Validate all matching or depending widgets

bin/Tk/FIJITestsViewer.pm

@@ -859,7 +859,7 @@ sub _validate_design_entry {
 sub _validate_entry {
     my $logger = get_logger("");
     my ($map, $self, $widget, $name, $old_ref, $new_ref, $diff, $old_str, $char_idx, $brokentype) = @_;
-    my $stat = FIJI::Tests::validate_value($map, $name, $new_ref, $$old_ref);
+    my $stat = FIJI::Tests::validate_value($map, $name, $new_ref, $$old_ref,\&Log::Log4perl::Logger::warn);
     my $dyn = 1;
 
     my $new = $$new_ref;