* switched off lots of debugging, and removed "common" messages, so we can focus on the actions.
* Added extra debugging focused on the connections.
* Removed "lastconnect" from p3LinkMgr.
* added p3PeerMgr::updateLastConnect() fn, so this parameter will be stored.
* added calls from p3LinkMgr at connect and disconnect.
git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.5-netupgrade@4424 b45a01b8-16f6-495d-af2f-9b41ad6348cc