Remove the need to resolve hostname to determine node identifier when http server explicitely listens on a non-wilcard address.
Also, fix timerserver startup when http server listens on a non-wilcard address.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@28957 20353a03-c40f-0410-a6d1-a30d3c3de9de