Errors fix, game upgrade, new content.

New event for floors - fire.
Added animations:
Zombies:
Smooth get up animation.
Player:
Different animations for weapon pick up.
Walk in different ways.
Edited push animation.
Monster:
Player eat animation.
New weapons:
Extinguisher
Bottle
Updated gameplay:
Player can throw weapons.
Edited main menu:
Added numbers near audio sliders.
Edited levels list showing.
Instead of gamepad button will be correct for Pause.
Other:
Cardreader have light, which show door condition (opened, closed).
Background blur when aiming.
Probably can be not listed updates.
For future update will be created new floor event and, probably, new game mode with limited count of floors.