Exposed websocket connection errors

Customizable like/dislike buttons

Update alan-sdk-web to version 1.8.115

Update alan-sdk-web to version 1.8.114

Added customizable iframe loader

Update alan-sdk-web to version 1.8.112

Added drag and drop functionality and rich copy

Improved iframe height calculation mechanism.

Added ability to apply custom CSS styles to rendered Markdown.

Fixed iframe height issues and removed unnecessary scrollbars.

Added ability to control content width in Fullscreen Mode.

Fixed issue with welcome message

Screenshots of chat will now contain iframe content

Fixed an SVG rendering issue affecting some response-status layouts.

Update alan-sdk-web to version 1.8.103