the rewrite of the retroshare core networking stack.
This check-in commits the changes to the rsserver code.
Major changes to use the new networking code. Added
p3peers.h as a new interface for peer/neighbour management.
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@314 b45a01b8-16f6-495d-af2f-9b41ad6348cc
