tmux changes (removed -r from pane change).

tmux/.tmux.conf

@@ -2,10 +2,10 @@ unbind C-b
 set -g prefix M-Space
 
 # Use Alt-hjkl without prefix key to switch panes
-bind -r h select-pane -L
-bind -r l select-pane -R
-bind -r k select-pane -U
-bind -r j select-pane -D
+bind h select-pane -L
+bind l select-pane -R
+bind k select-pane -U
+bind j select-pane -D
 
 # THEME
 set -g default-terminal "screen-256color"