Multiplayer mod 3.1.0

Sloppy 7.0 port

Target:
Casualties: Unknown Version v7.0.1

- Additions
    Patched phantom screen shake effect for:
    - Spike stabber
    - Jump pad
    - Coil trap
    - Bear trap
    - Grappling hook
    Added "Toggle to talk" mode to voicechat.
    Added rule "AlwaysAllowCarry" to allow carrying conscious players. default "false"
- Changes
    Ported to 7.0.1 game version.
    Adjusted some CPR values.
- Fixes
    Fixed Auto-updater not applying the update.
    Added missing text in CPR minigame.
    Fixed bug report send not working if you have unicode username in steam.