Merge remote-tracking branch #442 (VENOM-439) into release-0.5.1

Author: naxuroqa

src/core/Application.vala

@@ -238,7 +238,9 @@ namespace Venom {
     private void save_global_settings() {
       try {
         var settings_string = GlobalSettings.serialize(global_settings);
-        FileIO.save_contents_text(R.constants.default_global_settings(), settings_string);
+        var filename = R.constants.default_global_settings();
+        create_path_for_filename(filename);
+        FileIO.save_contents_text(filename, settings_string);
       } catch (Error e) {
         logger.e("Saving global settings failed: " + e.message);
       }

src/tox/ToxAdapterFiletransferListener.vala

@@ -315,7 +315,7 @@ namespace Venom {
           var buf = transfer.get_avatar_buffer();
           var directory = GLib.File.new_for_path(R.constants.avatars_folder());
           if (!directory.query_exists()) {
-            directory.make_directory();
+            directory.make_directory_with_parents();
           }
 
           var id = contact.get_id();