Use crates instead of git (#69)

Author: ansermino

Cargo.lock

@@ -7,22 +7,22 @@ edition = '2018'
 [dependencies]
 # third-party dependencies
 codec = { package = "parity-scale-codec", version = "1.3.4", default-features = false, features = ["derive"] }
-serde = { version = "1.0.102", optional = true }
+serde = { version = "1.0.101", optional = true }
 
 # primitives
-sp-std = { version = "2.0.0", git = "https://github.com/paritytech/substrate.git", default-features = false }
-sp-runtime = { version = "2.0.0", git = "https://github.com/paritytech/substrate.git", default-features = false }
-sp-io = { version = "2.0.0", git = "https://github.com/paritytech/substrate.git", default-features = false }
-sp-core = { version = "2.0.0", git = "https://github.com/paritytech/substrate.git", default-features = false }
+sp-std = { version = "2.0.0", default-features = false }
+sp-runtime = { version = "2.0.0", default-features = false }
+sp-io = { version = "2.0.0", default-features = false }
+sp-core = { version = "2.0.0", default-features = false }
 
 # frame dependencies
-frame-support = { version = "2.0.0", git = "https://github.com/paritytech/substrate.git", default-features = false }
-frame-system = { version = "2.0.0", git = "https://github.com/paritytech/substrate.git", default-features = false }
+frame-support = { version = "2.0.0", default-features = false }
+frame-system = { version = "2.0.0", default-features = false }
 
-pallet-balances = { version = "2.0.0", git = "https://github.com/paritytech/substrate.git", default-features = false }
+pallet-balances = { version = "2.0.0", default-features = false }
 
 [build-dependencies]
-wasm-builder-runner = { version = "2.0.0", package = "substrate-wasm-builder-runner", git = "https://github.com/paritytech/substrate.git" }
+wasm-builder-runner = { version = "2.0.0", package = "substrate-wasm-builder-runner"}
 [features]
 default = ["std"]
 std = [