[bd] API 1.6.3

• now support XenForo 1.5.0 features: content tagging, 2fa
• added `user_last_seen_date` for GET `/users`
• added `user_fields` for GET `/users` (deprecated `user_custom_fields`)
• added `permissions.edit_title` for GET `/threads`
• added `last_post` for GET `/threads`
• added POST `/search/indexing`
• added `locale` parameter
• added `order`=`natural_reverse` for GET `/conversation-messages`
• added support for pages
• added support for thread poll
• added support for user ignores
• added support for view logging (thread, attachment)
• added support for spam checking
• added option `trackSession`
• added option `userNotificationConversation`
• improved support for conversation message (report)
• added daily version check from xfrocks.com
• fixed bugs