and again changed unsigned int to int in friendlist functions
variable chat colors, show spectated cn on hud and highlight spectated player in scoreboard, updates and cleanups

- Client side (only you can see them) changeable chat colors ingame
(inspired by sauerFR) for: Self name, Self chat, Allies's chat when
dead, Allies's chat when alive, Enemies's chat when dead, Enemies's chat
when alive, Names teamchatting, Teamchat, Spectators's name,
Spectators's chat
- Show spectated person's cn in hud even when there are no duplicate
names (white color) or pink color if there are duplicate names.
(fps.cpp)
- Highlight spectated person in scoreboard with changeable highlight
color (overwrites friend color while spectating a friend)
(scoreboard.cpp)
- Update readme.md, autoexec.cfg and cleanups