Sort user list internally inside IRC channels.
use CharSequence instead of TextView inside MessageListAdapter

A hand-patch against https://github.com/Xenega/Yaaic/commit/e0c46dce9a29b00e854a11da341c2dd7a6a0adf6#diff-05270e89ccaa9baec8626baba0862b12R71
Adding hooks for auto-connect bit by bit