Update from upstream SpigotMC
Fix double plants having the incorrect top half SpigotMC/Spigot@377b69d7872a8ca5bf7e17449c866934553aba1c
Fix boats thinking that they were always on land for 1.8 clients SpigotMC/Spigot@4a083f819e0d551df5a03056976911f3515065f6
Correct the action used in updateGamemode. this isn't used by the ser... SpigotMC/Spigot@face904a9a68995100152fd44be06d556ce8c0bc
Allow the updated version of protocollib to be enabled SpigotMC/Spigot@4614a615cc077d9fa4c9b79c583548f21b7da4ff