Bukkit

Incompatibilities fixes:

• Added support for Placeholder API
• Added support for Spartan
• old-armour-strength: added support for custom items
• no-collisions: fixed incompatibility when another plugin modifies the scoreboard

Bug fixes:

• Added validation for golden apple potion effects in config
• sword-blocking: made shield automatically remove when switching hotbar slot
• sword-blocking: fixed problem with players respawning with a shield when keep-inventory enabled
• sword-blocking: made much more resposive but still accounting for slow connections
• Some fixes with fishing-rod knockback not always working as intended
• Minor clean-ups & fixes for disable-crafting, disable-elytra, enderpearl-cooldown, offhand, sword-blocking and player-collisions modules