Colors of messages and laser

Added:
 * Settings tab (HUD)
 * Posibility to change color of:
  - Team messages
  - System messages
  - Highlighted messages
  - Normal messages
  - Laser (inner and outline)
 * Some commands (to change colors)

Changed:
 * Moved some settings from DDNet to HUD

Screenshots:
 * https://cdn.mediacru.sh/QDCr0AorvxGC.png
 * https://cdn.mediacru.sh/mCTY5X9FzqIr.png
 * https://cdn.mediacru.sh/oes4Cin8O14E.png