add character counter
update some styles
some basic file error alerts
make file size error msg generic for now
upload file button changes
styling improvements to channel list and messages
clean up some uglify warnings
fix send button on channel list page
fix button alignment in chrome on channel list page
oops
empty channel list message
make it more responsive
fix some js issues and styling
add a minimum height to resizeHeight components

- it was getting a bit redickaless on mobile
add iscroll for old mobile devices that can't scroll divs
linkify usernames (to alpha)
big styling changes to messages

- make more similar to alpha
- natural timestamps
fix for renaming message class
better timestamps for old dates
mute channels