Initial speedbar support.

Signed-off-by: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
Move `weechat-nick-action' from button to weechat.el; use it in speedbar.

The function `weechat-nick-action' is not button specific and useful
in speedbar.  Maybe it should be moved to a weechat-util.el or similar
instead to make weechat.el smaller.

Signed-off-by: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
Fix mistake made while moving `weechat-nick-action'.

Signed-off-by: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
speedbar: Print topic and info if not monitored.

Signed-off-by: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
todo: Speedbar support DONE.

Signed-off-by: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
Merge branch 'master' of git://github.com/the-kenny/weechat.el

Signed-off-by: Rüdiger Sonderfeld <ruediger@c-plusplus.de>

Conflicts:
	todo.org