* rename client to collaborator
* add panel to have different pages for file, text, whiteboard messages and collaborator page
* resize also filesToSend element on resize event because it isn ow on a different page without the message to send box
* add event for updating the files list
* add space between hostname and ip port address
* put message and timestamp with sender in different p tags
* move timestamp and sender to the right
* show timestamp and sender in bold and add labels for what the fields mean