[Patch] Replace output mode with copy mode

This is a code-only patch. I'll submit a separate one for the manual. This patch eliminates "output" (or "more") mode, which is used to view command output within an attached tmux client. It's the mode you use when you type ? to get a list of bindings. Reasons behind this change: - Now you can

Re: [Patch] Replace output mode with copy mode

Here's a diff for the manpage to go with the diff for the code. I've also included a convenience diff against the processed manpages, mans.diff, for an easier view of what I've changed. -- Micah J. Cowan http://micah.cowan.name/ --- /tmp/old 2010-02-13 21:00:37.921671553 -0800 +++ /tmp/new 2010-