changing secp import to tag, and consolidating Cargo.toml import (#220)

api/src/handlers.rs

@@ -24,7 +24,7 @@ use serde_json;
 use chain;
 use rest::*;
 use types::*;
-use secp::pedersen::Commitment;
+use util::secp::pedersen::Commitment;
 use util;
 use util::LOGGER;
 

api/src/lib.rs

@@ -17,7 +17,6 @@ extern crate grin_chain as chain;
 extern crate grin_pool as pool;
 extern crate grin_store as store;
 extern crate grin_util as util;
-extern crate secp256k1zkp as secp;
 
 extern crate hyper;
 #[macro_use]

api/src/types.rs

@@ -16,7 +16,7 @@ use std::sync::Arc;
 use core::{core, global};
 use core::core::hash::Hashed;
 use chain;
-use secp::pedersen;
+use util::secp::pedersen;
 use rest::*;
 use util;