Fix compile bug in peer_server_handlers.go 

resp.Success is a func() bool, not a bool.  Call it.
Merge pull request #516 from augustoroman/patch-1

fix(server compilation): compile bug in peer_server_handlers.go
Revert "Fix compile bug in peer_server_handlers.go "

This reverts commit e1ed380f043b063ee36edb92ffe21d49819168e0.
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Revert "Fix compile bug in peer_server_handlers.go "
  Fix compile bug in peer_server_handlers.go