Bukkit

Looking for a sign shop addon? I've developed a new addon, which can be found here: 
https://www.spigotmc.org/resources/12028/

You can use this version with any Minecraft version from 1.5 to 1.12!

Version 4.0.0

• Added support for Minecraft 1.12
• Plugin requires now Java 8
• Fix API event cancelling (break and place events)
• Add API support to change drop of mined spawner
• Fix an issue on startup while scanning mobs
• Fix an issue with eggs which resulted in 0 eggs/spawners
• Fix an issue with registered permissions when server is reloaded
• Fix an issue with double egg reduction
• Display plugin version in /ss help
• Add new permission for /ss help menu (silkspawners.help)
• Add option to place mined spawner directly into the inventory (dropSpawnerToInventory)
• Updated user translations
• Add option to defined how many spawners are dropped when mined. Configurable per mob or default in config.yml (dropAmount)
• Switch from MCStats to bStats
• Added support for Feudal, prevents users from changing spawners in other kingdoms (feudalSupport)