Enabled multiple selection of memos in the memo chooser, added joining memos automatically on first connect, auto-identify with nickserv

![icon](https://f.cloud.github.com/assets/777919/133888/ca661716-70b6-11e2-9512-827f100ce4d5.png) and some other really tiny things ![icon](https://f.cloud.github.com/assets/777919/133888/ca661716-70b6-11e2-9512-827f100ce4d5.png)

also oops i was intending to submit that as a different thing but then github was all no fuck you i guess a better idea would be to submit branches?

also this last one too i really should get be on the ball