Method: Handle Ajax callback for permanent delete of post.
Action Hook: Triggered right before deleting answer.
Method: Close question callback.
Method: Handle toggle featured question ajax callback
Action Hook: Triggered right before deleting question.
Method: Send JSON response and terminate.
Method: Process ajax trash posts callback.
Method: Show similar questions while asking a question.
Method: Initialize the plugin by setting localization and loading public scripts and styles.
Class: Register all ajax callback