.tmux.conf: add a tmux config

This is based on
http://www.doknowevil.net/2010/10/18/sorry-screen-tmux-is-better-but-here-are-some-screen-lik-hotkeys/
and Fernando's two config files:

    20:41 < Bucciarati> booking conf:  http://paste.debian.net/plainh/25e42984  u conf:  http://paste.debian.net/plainh/61e6789b

This is the 25e42984:

    % cat .tmux.conf
    # Set the prefix to ^A.
    unbind C-b
    set -g prefix ^A
    bind a send-prefix

    # ^I next pane
    unbind o
    unbind Tab
    bind Tab select-pane -t :.+

    # ^H/^J/^K/^L → left/down/up/right pane
    unbind ^H
    bind ^H select-pane -L
    unbind ^J
    bind ^J select-pane -D
    unbind ^K
    bind ^K select-pane -U
    unbind ^L
    bind ^L select-pane -R

    # next ^@ ^N sp n
    unbind ^@
    bind ^@ next-window
    unbind ^N
    bind ^N next-window
    unbind " "
    bind " " next-window
    unbind n
    bind n next-window

    # prev ^P p ^?
    unbind ^P
    bind ^P previous-window
    unbind p
    bind p previous-window

    # screen ^C c
    unbind ^C
    bind ^C new-window
    unbind c
    bind c new-window

    # title A
    unbind A
    bind A command-prompt "rename-window %%"

    # other ^A
    unbind ^A
    bind ^A last-window

    # detach ^D d
    unbind ^D
    bind ^D detach

    # displays *
    unbind *
    bind * list-clients

    # split vertically (tmux calls it "horizontally")
    unbind |
    bind | split-window -h

    # split horizontally (tmux calls it "vertically")
    unbind S
    bind S split-window -v

    # " windowlist -b
    unbind '"'
    bind '"' choose-window

    # kill K k
    unbind K
    bind K confirm-before "kill-window"
    unbind k
    bind k confirm-before "kill-window"

    # redisplay l
    unbind l
    bind l refresh-client

    # windows ^W w
    unbind ^W
    bind ^W list-windows
    unbind w
    bind w list-windows

    # ^[ copy-mode
    unbind Escape
    bind Escape copy-mode

    set-option -g escape-time 30
    set-option -g quiet off
    set-option -g bell-action any
    set-option -g bell-on-alert on
    set-option -g mouse-select-window off
    set-option -g status-keys emacs
    set-option -g status-utf8 on
    set-option -g visual-bell off
    set-option -g visual-content on
    # set-option -g pane-border-bg black
    # set-option -g pane-border-fg white
    # set-option -g pane-active-border-bg black
    # set-option -g pane-active-border-fg red
    set-option -g bell-action none

    set-window-option -g allow-rename on
    set-window-option -g alternate-screen off
    set-window-option -g mode-keys vi
    set-window-option -g mode-mouse off
    set-window-option -g utf8 on
    set-window-option -g window-status-bell-bg red
    set-window-option -g window-status-format '#I #W '
    set-window-option -g window-status-current-bg blue
    # set-window-option -g window-status-current-format '#[bg=blue]#I #W#[default] '

And the diff between that and the other file:

    $ diff -ru 25e42984 61e6789b
    --- 25e42984    2013-10-16 20:47:53.000000000 +0000
    +++ 61e6789b    2013-10-16 20:47:59.000000000 +0000
    @@ -1,4 +1,4 @@
    -% cat .tmux.conf
    +u.nix.is 1% cat .tmux.conf
     # Set the prefix to ^A.
     unbind C-b
     set -g prefix ^A
    @@ -98,18 +98,14 @@
     set-option -g status-utf8 on
     set-option -g visual-bell off
     set-option -g visual-content on
    -# set-option -g pane-border-bg black
    -# set-option -g pane-border-fg white
    -# set-option -g pane-active-border-bg black
    -# set-option -g pane-active-border-fg red
    -set-option -g bell-action none

     set-window-option -g allow-rename on
     set-window-option -g alternate-screen off
     set-window-option -g mode-keys vi
     set-window-option -g mode-mouse off
     set-window-option -g utf8 on
    -set-window-option -g window-status-bell-bg red
    +# set-window-option -g window-status-bell-bg red
     set-window-option -g window-status-format '#I #W '
     set-window-option -g window-status-current-bg blue
     # set-window-option -g window-status-current-format '#[bg=blue]#I #W#[default] '
    +u.nix.is 2%