Allow socket reuse in more places to prevent "bind failed" on restarts. Add TCP_USER_TIMEOUT on all connections for systems that implement it. This disconnects users who do not ACK packages within 60s (but they should be caught by the keepalive settings anyway; just to be on the safe side).

git-svn-id: http://streamboard.de.vu/svn/oscam/trunk@8635 4b0bc96b-bc66-0410-9d44-ebda105a78c1
Small C&P fix

git-svn-id: http://streamboard.de.vu/svn/oscam/trunk@8636 4b0bc96b-bc66-0410-9d44-ebda105a78c1