- remove dead code


git-svn-id: https://gnunet.org/svn/gnunet@32587 140774ce-b5e7-0310-ab8b-a85725594a96
- removed custom crypto functionality in scalarproduct
- scalarproduct now uses the paillier-API + associated structs
- omitted SP-tests for now, scalarproduct is still heavily being reworked

git-svn-id: https://gnunet.org/svn/gnunet@32588 140774ce-b5e7-0310-ab8b-a85725594a96
- Delay shutdown until all connections are closed.


git-svn-id: https://gnunet.org/svn/gnunet@32589 140774ce-b5e7-0310-ab8b-a85725594a96