Merge pull request #2 from wballard/master

right aligned auto space filling positioning
update data bind
Merge branch 'master' of https://github.com/annielcook/chat-box
add time
chunck event, ordered chats, auto scroll to end
scroll bar fix
slowed scrolling
send button and sender name
show and hide
ctrl enter & esc
auto-grow text box
no horizontal scroll
markdown
add message to the end