ZombieSurvival

Changes
    Fixed player stuck in waiting area if left and rejoin before 2min but game is over
    Fixed cannot load plugin errors
    Added permissions
    Added option to force point system
    Added option to force inventory clear on join globally
    Added option for donators and bypass to persist after death in game
    Fixed duplicate sign locations bug
    Added timer for /leave and rejoin of same game
    Fixed waiting area loading/save issues