Merge pull request #3 from axel-angel/custom_zombie_norecursion

Remove recursion in mutator_zombie_apocalypse.qc (too aggressive)
New mutator: wall jumps
Add serverpackages to readme
Another attempt at fixing new lines
Another attempt...
Add support for monster lifetimes
Add an option to make the monsters ignore frozen players
Ignore only dead-frozen players, not spider-frozen ones
Remove cvar g_monsters_ignore_frozen
Merge pull request #4 from mbasaglia/monster_ignore_frozen

Add an option to make the monsters ignore frozen players
Add a special case for spider
Nade zombie (spawn zombie instead of an explosion)

Add variables:
- g_nades_monster: if not 0 then nade only spawns monster
- g_nades_monster_max: maximum number of monsters to spawn at once
- g_nades_monster_type: type of monster to spawn (eg: "zombie")
Nade zombie: unbiased random placement offset
Nade zombie: add variables to mutators_mod.cfg
Zombie nade should die after a few seconds but doesn't work

added g_nades_monster_lifetime