- removed PGP ids and added GXS Ids from/to Message composer (PGP code is still here, but not used)
- added GXS ids to FriendSelection{Dialog,Widget}
- temporarily suspended distant messaging for PGP in NetworkDialog/SecurityItem



git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.6-IdCleaning@7182 b45a01b8-16f6-495d-af2f-9b41ad6348cc