Add experimental offline mode support - closes issue #121

api/src/main/java/net/md_5/bungee/api/config/ConfigurationAdapter.java

@@ -34,6 +34,15 @@ public interface ConfigurationAdapter
      */
     public String getString(String path, String def);
 
+    /**
+     * Gets a boolean from the specified path.
+     *
+     * @param path the path to retrieve the boolean form.
+     * @param def the default value
+     * @return the retrieved boolean
+     */
+    public boolean getBoolean(String path, boolean def);
+
     /**
      * Get the configuration all servers which may be accessible via the proxy.
      *