Updated commands to have optional aliases, and to fallback to /pluginName:cmdName on name conflict.

src/main/java/org/bukkit/command/CommandMap.java

@@ -0,0 +1,29 @@
+package org.bukkit.command;
+
+import java.util.List;
+import org.bukkit.entity.Player;
+
+public interface CommandMap {
+    /**
+     * Registers all the commands belonging to a certain plugin.  
+     * @param plugin
+     * @return
+     */
+    public void registerAll(String fallbackPrefix, List<Command> commands);
+
+    /**
+     * Registers a command. Returns true on success; false if name is already taken and fallback had to be used.
+     * 
+     * @param a label for this command, without the '/'-prefix.
+     * @return Returns true if command was registered; false if label was already in use.
+     */
+    public boolean register(String label, String fallbackPrefix, Command command);
+
+    /** Looks for the requested command and executes it if found.
+     *  
+     *   @param cmdLine command + arguments. Example: "/test abc 123"
+     *   @return targetFound returns false if no target is found.
+     */
+    public boolean dispatch(Player sender, String cmdLine);
+
+}