Add PlayerBookEditEvent.  Adds BUKKIT-1995
Event related to book & quill and written book items.
Updated version to 1.5.2-R1.0 in pom.xml for RB.
Updated version to 1.5.2-R1.1-SNAPSHOT for development towards next release.
Spigot
EMC POM Changes
Water flow not trigger chunk loads

Make BlockFromToEvent default cancel if the flow would trigger a chunk load.
PlayerDeathEvent.getItemsToKeep

Exposes a mutable array on items a player should keep on death
Add a call helper to Event
Precise timings
Fix reset timings
EntityShootBowEvent consumeArrow API