* swap ed25519-dalek for ed25519-zebra; no batch verificaiton fixed batch verificaiton tests removed additional zero verificaiton tests removed comments, fixed test bug, added #[derive(Clone)] Update primitives/core/src/ed25519.rs Co-authored-by: Squirrel <gilescope@gmail.com> * modified assertion to allow default ed25519-zebra zero key behavior * cargo clippy * Update primitives/core/Cargo.toml Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com> * Update primitives/core/src/ed25519.rs Co-authored-by: Davide Galassi <davxy@datawok.net> * Update primitives/core/src/ed25519.rs Co-authored-by: Davide Galassi <davxy@datawok.net> * Update primitives/core/src/ed25519.rs Co-authored-by: Davide Galassi <davxy@datawok.net> * Update primitives/core/src/ed25519.rs Co-authored-by: Davide Galassi <davxy@datawok.net> * updated Cargo.lock for sp-core * fix inaccurate comment Co-authored-by: Squirrel <gilescope@gmail.com> Co-authored-by: Bastian Köcher <info@kchr.de> Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com> Co-authored-by: Davide Galassi <davxy@datawok.net>