Simplified permissions by automatically allowing [cmd]air when cmd is allowed.

src/SMWorldEditListener.java

@@ -190,7 +190,7 @@ public class SMWorldEditListener extends PluginListener {
      * @return
      */
     private boolean canUseCommand(Player player, String command) {
-        return player.canUseCommand(command)
+        return player.canUseCommand(command.replace("air", ""))
                 || player.canUseCommand("/worldedit");
     }
 }

src/WorldEdit.java

@@ -110,6 +110,8 @@ public class WorldEdit {
      * Construct an instance of the plugin.
      */
     private WorldEdit() {
+        // Note: Commands should only have the phrase 'air' at the end
+        // for now (see SMWorldEditListener.canUseCommand)
         commands.put("//pos1", "Set editing position #1");
         commands.put("//pos2", "Set editing position #2");
         commands.put("/toggleplace", "Toggle placing at pos #1");