Bukkit

push all changes to beta state on bukkit !   v 1.16 support

• Add Health System
• Add UseHealthSystem on Config ( need to remake then v5 )
• Modify all skill files ( need to remake then )
• Add Custom System
  • Add Custom File Name/Title 
  • Custom Rank(s) Line(s)
  • Requirement system 
    • By money
    • By mob killed
    • By McMMO Skill
    • By PlayerKilled
    • By been on specific world
    • By world guard region
• Fix mobdeath bug