Compile fix for Ubuntu LTS kernel 3.2.0-55
* Configuration file support for servd
servd init script update
Servd updates
servd fix on cleanup
Ensure router configuration is set
Added debug output in serval_sal_rcv_syn
Add timeout for queued request sockets. Fixes problem with filling up the accept backlog.
Added log functionality in common library
Make servd use logging
Fix heap cmp
add backlog to flow print
Add separate queue max lengths for request and accept queues.
Initialize request qlen
Add support for log flushing
Merge branch 'master' of ssh://adam.cs.princeton.edu/disk/local/scaffold/serval