Tmux: vi mode, visual act, select pane border

.tmux.conf

@@ -2,5 +2,15 @@
 set -g prefix C-a
 unbind C-b
 bind C-a send-prefix
+#Mouse/Scrollback Tweaks
 set -g history-limit 20000
+setw -g mode-keys vi
 set-option -g mouse on
+set-option -g pane-active-border-fg yellow
+#New Keybindings
+bind-key r source-file ~/.tmux.conf \; display-message "~/.tmux.conf reloaded"
+#Misc Enables
+set -g default-terminal "screen-256color"
+setw -g monitor-activity on
+set -g visual-activity on
+set -g status-justify centre