added a license file
added a whitelist of server commands that are safe to process before registration
implemented multi-server support
changed the alignment of activity notification indicators to match the highlight
added /close
added a handler for "No such nick/channel"

fixes #5
added handlers for some basic commands from server
handling some basic /whois responses
handling TOPIC from server
added handling of channel topics with relative time
switched to document.hasFocus() for detecting the active window
isolated scopes on the chatlog activity handlers
added a handler for RPL_WHOISSECURE
highlighting messages that mention our name
removed action color and replaced the mentionme color with it
handling RPL_WHOISACCOUNT
added "is connected" checks where needed
fixed a duplicate callback case in reading the config
handling channel notices
added the /notice command