redraw some elements of system options screen

[swats-the-floran]

1. tabs
2. gear buttons
3. map scroll speed and animation speed buttons
4. turn order queue buttons

[swats-the-floran]

result:

[swats-the-floran]

cannot mimic to speed radio-buttons without overriding config which is often being edited and will often break this mod. original buttons are not unified and i depend on original interface a lot. darker buttons in original interface combine button backgrounds and icons as separated files. thus they have different descriptions in the config.

[swats-the-floran]