Fixed AffixMessages when no AffixManager is loaded. Fixes:

2.12 07:42:00 [Server] INFO at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [spigot.jar:git-Spigot-1203]
22.12 07:42:00 [Server] INFO at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:446) [spigot.jar:git-Spigot-1203]
22.12 07:42:00 [Server] INFO at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:540) [spigot.jar:git-Spigot-1203]
22.12 07:42:00 [Server] INFO at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:259) [spigot.jar:git-Spigot-1203]
22.12 07:42:00 [Server] INFO at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:583) [spigot.jar:git-Spigot-1203]
22.12 07:42:00 [Server] INFO at org.bukkit.craftbukkit.v1_7_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345) [spigot.jar:git-Spigot-1203]
22.12 07:42:00 [Server] INFO at org.bukkit.craftbukkit.v1_7_R1.scheduler.CraftTask.run(CraftTask.java:58) ~[spigot.jar:git-Spigot-1203]
22.12 07:42:00 [Server] INFO at net.cubespace.CloudChatBukkit.Listener.PlayerJoin$1.run(PlayerJoin.java:33) ~[?:?]
22.12 07:42:00 [Server] INFO at net.cubespace.CloudChatBukkit.Message.AffixMessage.send(AffixMessage.java:29) ~[?:?]
22.12 07:42:00 [Server] INFO java.lang.NullPointerException
22.12 07:42:00 [Server] WARN Task #62 for CloudChatBukkit v0.5.1 generated an exception