get rid of some files
put chat module in separate file.
Don't send message to server if message is missing.'
Don't send empty message to browser
(refactor)(bug)  Move to express 4. Basic chat works. IBM api not hooked up.
(refactor)(bug) refactor to MVC file structure. bug - translation from watson not apearing in chat
move local.env to config directory
(bug) start  moving to new socket io. user own message not  shown
(fix) new and translate messages works
show login form or messages. show user joined or left
style the home page
add list of users; translate more phrases
edit the copy on homepage and about page
merge appchallenge code