Added code changes for mcp_queue.php and altered template changes to use {AL_PATH} style key.
Added fields for USERS.al_fb_access_token and POSTS.post_fb.
Altered function:publish_post_to_fb_user() to automatically post on behalf go the user using stored access token in post_fb field if approved by moderator.
Updated SITE_LOGO_SRC to check for empty variable.