Milestone Levels

Display level and XP milestones on a fancy league-like notification

level,skill,xp,experience,notification,notifier,milestone,attack,defence,strength,hitpoints,ranged,prayer,magic,cooking,woodcutting,fletching,fishing,firemaking,crafting,smithing,mining,herblore,agility,thieving,slayer,farming,runecraft,hunter,construction,sailing