fix 43

- reduced actor bleeding rate by 25% (for all classes)

- increased damage of all knives by 33%

- increased damage of cat mutant significantly

- reduced the 'forcefield' around stalker to the maximum level no
causing the m_rotation crash when stalkers are attacked by pseudogiants

- made a lot of tweaks to stalker appearences to restore balance after
additon of Armory mod (generally there are more 'regular' looks and less
rare / new ones

- tweaked squad compositions of all factions to contain more variated
ranks

- re-enabled level changer from Jupiter to Zaton

- reduced smoke paricles of WW2-era rifles (including Mosin) to regular
size