Improve autotrack

[mushis]

Autotrack is dumb. How about improving it a bit?
some suggestions, please add more:

• After tracked player dies, autotrack switches pov to another player. The player that made the frag should have the priority over others. I mean, increase the probability in the algorithm.
• almost immediately after death, the pov changes. I'de say give it 0.5 seconds more on the killed pov. Sometimes action is so fast that its hard to keep track. This would give more time to process what happened. plus, some times is interesting to see what happens after the kill.
• On powerups, pov changes. And many times it does a poor job - this is where the algorithm can be improved the most, imo. Suggestions::
  ** If the current pov is "near enough" the quad, don't change pov.
  ** It seems that distance to powerup is the only criteria to change pov now. Lets add stack too, and cleverly weight the distance/stack to decide which pov should be chosen.

More suggestions?

The following is not related to autotrack. Im thinking each map should have predefined camera positions, and the user could toggle between the cameras. like, one on each powerup, at least. like the hub demoplayer have.