Bump protobuf version.

Merge pull request dedis#386 from dedis/ed25519_new_key_351

Fix ed25519 secret key generation w.r.t multiple of 8

Merge pull request dedis#378 from dedis/ginfo

DKG Updates -

Merge pull request dedis#381 from dedis/move_policy_1675

Copy the policies to kyber/sign

Merge pull request dedis#380 from dedis/rename_asms_bdn_1675

Rename the asms package to bdn

ASMBLS reference test with three points

This adds points to the reference test to make sure the XOF is used
correctly among librairies

Merge pull request dedis#370 from dedis/bn256_fixbuf

Correct implementation of commonSuite

Merge pull request dedis#369 from dedis/bn256_suite_read

Fix suite.Read

Merge pull request dedis#364 from claucece/master

Remove test command as it does not have any usage dedis#337

Merge pull request dedis#365 from dedis/hash_to_point

Hash data to point properly