Fix migration to 2.9 and removed options

See : https://github.com/tmux/tmux/blob/2.9/CHANGES#L45
https://github.com/tmux/tmux/wiki/FAQ#how-do-i-translate--fg--bg-and--attr-options-into--style-options

tmux.conf.local

@@ -1,33 +1,33 @@
 
 ### statusbar {{{
 
-# forground color
-set -g status-fg "${debianred}"
-# background color
-set -g status-bg black
+# Attribut list {{{
+## bright/bold:
+## dim:
+## underscore:
+## blink: clignotant
+## reverse: reverse background and foreground colors
+## hidden:
+## italics:
+## overline: Needs Smol extension, see the manual
+## strikethrough: barré
+## double-underscore:
+## curly-underscore:
+## dotted-underscore:
+## dashed-underscore:
+# }}}
 
-## Terminaux par défaut
-# Window foreground color
-set-window-option -g window-status-fg "${debianred}"
-# Window background color
-set-window-option -g window-status-bg "${darkgrey}"
-# Attribut
-#bright/bold:
-#dim:
-#underscore:
-#blink: "clignotant"?
-#reverse: reverse background and foreground colors
-#hidden:
-#italics:
-set-window-option -g window-status-attr bold
+# Status line style
+## BackGround and ForeGround
+set -g status-style fg="${debianred}",bg=black
 
-## Terminal actif
-# Current windows foreground color
-set-window-option -g window-status-current-fg black
-# Current windows background color
-set-window-option -g window-status-current-bg "${debianred}"
-# Attribut (cf ci-dessus pour la liste)
-set-window-option -g window-status-current-attr dim
+# Status line style for a single window
+## BackGround, ForeGround and attribut
+set -g window-status-style bg="${darkgrey}",fg="${debianred}",bold
+
+# Status line style for the currently active window
+## BackGround, ForeGround and attribut
+set -g window-status-current-style bg="${debianred}",fg=black,dim
 
 # selection
 set -wg mode-style bg="${debianred}",fg=white,bold
@@ -42,11 +42,11 @@ set -g clock-mode-colour "${debianred}"
 #setw -g window-status-alert-fg red
 #setw -g window-status-alert-bg default
 
-## Panel par défaut
-set -g pane-border-fg white
+# Pane border style for panes aside the active one
+set -g pane-border-style fg=white
 
-## Panel actif
-set -g pane-active-border-fg "${debianred}"
+# Pane border style for the currently active pane
+set -g pane-active-border-style fg="${debianred}"
 
 # right statusbar
 # %H:%M:%S : Affiche de l'heure (actualisation lors de manipulation ou en fonction de la valeur de status-interval)