Lobby 2.5

- Add numbers of Restriction in OptionContainer
- Remember a options 'Hide default Options'
- Fix sometime a PresetLobby not loaded (caused by map not available)
- Typos in PresetLobby
- Show message if map is not available in PresetLobby
- SpeedUp UpdateGame(), merge 3 loops
- Typo in "Lobby options"
- Add "Show system message" option for see (connecting players, go observers, disconnected, ...)
- Add "Player Swapped" message
- Add "Connected with xxx (with FAF Proxy)" message see if is connected with FAFproxy
- Delete "Player go to Observer" message
- Delete "Player go to Slot" message
- Typo "x mods UI" to "x UI mods" (KRAMP idea)
- Fix a bug in Game Options, the new value is reset if you scroll the list
- Add 1250 and 1500 Units Caps
- Now you can see and select only the color available
Please use spaces for indentation, as per the code conventions [here](https://github.com/FAForever/fa#code-convention)