Added new packages: winston, winston-loggly and assert.
Bugfix in updating channel nicks.

The bug was due to bad mongo query syntax.  in upsert find query does not
work :\.
Add a default logger if not defined in 00_monitor.js.
Log when a nick quits IRC.
Bugfix in initiating PMs.
Escape user tooltip info.
Optimize loading channel nicks when a channel is selected.

Channel nicks' template are rendered for all active channels at the start
so that showing them is just a matter of hiding/unhiding them.
Focus input boxes properly.
Don't auto connect to servers/channels disconnected by user on server restart.
Bugfixes following previous refactoring:

1. Fix PM
2. Fix joining servers on restart.
Autocomplete or suggest nicks on TAB press.
Bugfix in updating channel status when connecting to server.

Channels' (without 'disconnected' status) status should change to
connecting when connecting to a server.
Added tab notification and notification sound on mention/pm.