Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing
Bukkit Changes:
323d6ca3 #535: Add EntityCategory API to LivingEntity
7d3323d8 #526: Add Block#applyBoneMeal()
CraftBukkit Changes:
bf451617 SPIGOT-6109: Improve loot handling
bfea4559 SPIGOT-6111: NPE in CraftHumanEntity#openWorkbench & CraftHumanEntity#openEnchanting
ee7116b4 Add note to CONTRIBUTING.md to suggest keeping commit messages / titles the same
eae15943#721: Add EntityCategory API to LivingEntity
8c611560#702: Add Block#applyBoneMeal()
8408de02#716: Fix barrel open API playing sound twice
74b6982b#711: Add Full RGB support to the console