Bukkit/CraftBukkit — pull request #887 by TomyLobo (2012-09-08 10:17:02+00:00)
Title: Updated maven compiler plugin version to 2.5.1.

There's no reason to keep using such an ancient version.

Problem with that version: it defaults to Java 1.3, forcing everyone to specify java versions in their pom.xml if they want to use features beyond that.