Remove old type references, update naming, add license notices (#43)

Removed the oracle type references and updated the dependency list to point to git.qpq.swiss.

Reviewed-on: #43
Co-authored-by: Craig Everett <zxq9@zxq9.com>
Co-committed-by: Craig Everett <zxq9@zxq9.com>

rebar.config

@@ -1,4 +1,4 @@
 {erl_opts, [debug_info]}.
-{deps, [ {base58, {git, "https://github.com/aeternity/erl-base58.git", {ref, "60a3356"}}}
-       , {enacl, {git, "https://gitlab.com/ioecs/enacl.git",       {ref, "4eb7ec70"}}}
+{deps, [ {base58, {git, "https://git.qpq.swiss/QPQ-AG/erl-base58.git", {ref, "b6c41ff2f86f679675b95a780bfc6475e973d796"}}}
+       , {enacl, {git, "https://git.qpq.swiss/QPQ-AG/enacl.git",  {ref, "4eb7ec70084ba7c87b1af8797c4c4e90c84f95a2"}}}
        ]}.