Log early log messages to log files

Issue: When configuring Tor as a bridge and to advertise a DirPort, the resulting warning is displayed on the console, but is not logged to the Tor log file.

Environment: Debian squeeze amd64, latest patches Tor version 0.2.4.2-alpha (git-0537dc6364594474)

How to reproduce: Set "BridgeRelay 1" Set "DirPort 80"

Start Tor.

The following warning will be displayed on the console: "Starting tor daemon... [warn] Can't set a DirPort on a bridge relay; disabling DirPort done."

No corresponding warning is logged to the Tor log file.