Updates to .bashrc for variable-length prompt, tmux conf.

.tmux.conf

@@ -14,10 +14,13 @@ set -g history-limit 5000
 set -g status-bg black
 set -g status-fg white
 set -g status-justify centre
-set -g status-left '#[fg=green][ #[fg=blue,bright]jdb-hp#[fg=green,nobright] ]['
+set -g status-left '#[fg=green][ #[fg=magenta]jdb-mg-element-win10#[fg=green,nobright] ]['
 set -g status-left-length 70
 set -g status-right '#[fg=green]][ #[fg=brightblue]%m-%d #[fg=brightgreen]%H:%M #[fg=green]]'
 set -g status-right-length 20
 set -g repeat-time 0
 
+# Always create the main window group and session if it doesn't exist. Then,
+# use tmux new-session -t main to create new sessions that attach to this
+# existing window group.
 new-session -s main