Fixed: Player face does not show List. Bukkit1.5.1

----English----
Fixed: Player face does not show List. (Change Player Skin URL.)
Update pom.xml (Bukkit 1.5.1-R0.1 SNAPSHOT)

----Japanese----(My native language)
Playerの顔がGUIのListに表示されない問題を修正。
pom.xmlの依存関係を更新。(Bukkit 1.5.1-R0.1 SNAPSHOTにしました。)