This should bring it up to about the state of the patches and comments in
ticket #1073, without the threaded device detection. Timeout is 500ms, that
should be enough to detect a LAN device, and doesn't delay startup too much.
Port r8447 plus the fixes for it in r8449, r8453, r8455 and r8456 to trunk.
git-svn-id: https://warzone2100.svn.sourceforge.net/svnroot/warzone2100/trunk@8460 4a71c877-e1ca-e34f-864e-861f7616d084
a7ae06572d