UI: Widescreen support for HUD and menu

[mgerhardy]

Tasks to perform

• [x] Make all ingame HUD elements scale correct in wide and narrow screen
• [x] Make all ingame menu elements scale correct in wide and narrow screen
• [x] Make all ingame scrope/zoom elements scale correct in wide and narrow screen
• [x] Change reference resolution from 640x480 (4:3) to 864x486 (16:9) for the UI only

Main menu elements repositioning

• [x] Main Menu
• [x] Start Server (Create)
• [x] Select Bots (Create)
• [x] Servers (Join)
• [x] Specify Server
• [x] Specify Password
• [x] Setup
• [x] Player Settings
• [x] Controls
• [x] System
• [x] Preferences (Options)
• [x] Defaults
• [x] Demos
• [x] Mods
• [x] Credits
• [x] Secret
• [x] End Credits
• [x] Connect

Ingame menu elements repositioning

• [x] Ingame
• [x] Start (Team)
• [x] Add Bots
• [x] Remove Bots
• [x] Team Orders
• [x] Voice Chat
• [x] Call Vote
• [x] Server Info
• [x] Select Logo
• [x] Confirm
• [x] Music Player
• [x] Gametype Info (help)
• [x] Items & Weapons Info (help)

Menu background images (2k)

• [x] Main Menu
• [x] Start Server (Create)
• [x] Select Bots (Create)
• [x] Servers (Join)
• [x] Specify Server/Password
• [x] Setup
• [x] Player Settings
• [x] Controls
• [x] System
• [x] Preferences (Options)
• [x] Defaults
• [x] Demos
• [x] Mods
• [x] Credits (several images)
• [x] Secret (several images)
• [x] End Credits

[mgerhardy]

The console should maybe also get an adjustment.

• https://github.com/PadWorld-Entertainment/worldofpadman/issues/118