Start PUTs and GETs only from active peers


git-svn-id: https://gnunet.org/svn/gnunet@34180 140774ce-b5e7-0310-ab8b-a85725594a96
Fix counting started peers.


git-svn-id: https://gnunet.org/svn/gnunet@34181 140774ce-b5e7-0310-ab8b-a85725594a96