addresses issue #41 pic sizes do not change now and long words or links will now wrap within the text box
attempt at addressing issue #42 and not allowing blank messages to be sent
fixes issue #42 validates the message making sure it is not blank
fixes issue #44 now loads the messages only once at start and whenever have new message
gets rid of the attempt at addressing issue #44
Update chat_controller.rb

Removed extra indentation.
Update load_messages.html.erb

Fixed indentation.
Merge pull request #45 from juanlizarazo/Allenardo

Fixed indentation. Pay attention to it for the cleanest code possible, in the future!!
Best solution possible! :D