High Scores!

[list] [*] Changed "died on night X" to "died on wave X" in the game over screen [*] Added Steam Name to Endless Mode Lobby in preparation for multiplayer [*] Added high scores to Endless Mode Lobby! [*] Set skull totem spawning to be more gradual but increased the cap and lowered the range of missiles [*] Made fog slightly more uncommon [*] Balancing [/list]