Changed command registration

src/main/kotlin/net/axay/kspigot/extensions/bukkit/CommandExtensions.kt

@@ -0,0 +1,19 @@
+package net.axay.kspigot.extensions.bukkit
+
+import net.axay.kspigot.main.KSpigotMainInstance
+import org.bukkit.command.CommandExecutor
+import org.bukkit.command.TabCompleter
+
+/**
+ * Registers this CommandExecutor for
+ * the given command.
+ */
+fun CommandExecutor.register(commandName: String): Boolean {
+    KSpigotMainInstance.getCommand(commandName)?.let {
+        it.setExecutor(this)
+        if (this is TabCompleter)
+            it.tabCompleter = this
+        return true
+    }
+    return false
+}

src/main/kotlin/net/axay/kspigot/utils/RegisterableCommand.kt

@@ -1,26 +0,0 @@
-package net.axay.kspigot.utils
-
-import net.axay.kspigot.main.KSpigotMainInstance
-import org.bukkit.command.CommandExecutor
-import org.bukkit.command.TabCompleter
-
-interface RegisterableCommand : CommandExecutor {
-
-    /**
-     * Registers this executor for the given command
-     * and for the given instance of [kSpigot].
-     *
-     * @return true if the command was found -
-     * false if not
-     */
-    fun registerAs(commandName: String): Boolean {
-        KSpigotMainInstance.getCommand(commandName)?.let {
-            it.setExecutor(this)
-            if (this is TabCompleter)
-                it.tabCompleter = this
-            return true
-        }
-        return false
-    }
-
-}