Re #166: Unset fullColor on palette selection.

If no color is set, then fullColor mode is ignored, by design.
Selecting a palette color should then unset the mode, to avoid
surprisingly "switching" to fullColor mode (which has been active
all along) by selecting a color.

js/core/ui.js

@@ -224,6 +224,7 @@ var ui = {
       }
       else if (ui.colorPicker == 'setting') {
         $('#textColor').mouseup();
+        config.settings.fullColor = false;
         $('#settings-textColor').val(this.title).change();
       }
     });