Simplify code - Simplify code (revert to isbear's code in do_uptime() now that the initialization logic works better) - Calculate starttime precisely when using the /proc filesystem - Display the start date when /uptime is called

# Use /proc filesystem information to determine mcabber
# startup time. If not set, module load time will be starting
# point for uptime calculations.
set uptime_use_proc = 1

module load uptime