Function: Output category image.
Function: Load comment form button.
Function: Comment actions args.
Function: Check if comment delete is locked.
Function: Output comment wrapper.
Function: Return ajax comment data.
Function: Check if user is allowed to cast a vote on post.
Function: Check if user can delete comment.
Function: Check if user can toggle featured question.
Function: Check if current user can change post status i.e. private_post, moderate, closed.