be applied on a server connection, thus connectionAccepted and 
handleRequestNodeIdentification are removed. Remove also some code that should
not be reached, those king of errors should be checked by unit tests on app.py.
Remove handler method that ignore packets to improve the protocol weakness.


git-svn-id: https://svn.erp5.org/repos/neo/branches/prototype3@730 71dcc9de-d417-0410-9af5-da40c76e7ee4