edited messages styles
added menu button that returns to dialogList on click
getDialogByUserId returns null if nothing was found
menu icon
manipulator gets dialog from data attribute
message fetch checks if message was already fetched
added layout for message input
send message button styles
fetcher util is renamed to request util and its fetch method is renamed to sendRequest
added length property
added message.send method
template in case user has no unread dialogs
added sendMessage method
added showNoDialogs method to show info if user has no unread dialogs
added sendMessage method. edited showDialogs method to show information if user has no unread dialogs
styling no dialogs information