Update to latest Substrate master (#320)

* Make `collator::Network` require `Send + Sync` to make it work

* Update packages

* Update to latest Substrate

* Make it compile and make tests work

* Use `polkadot-master`

* Fix CI

* Remove `build.sh` from readmes

* Delete old stuff

* Bring one back

polkadot/parachain/Cargo.toml

@@ -15,6 +15,7 @@ rstd = { package = "sr-std", git = "https://github.com/paritytech/substrate", br
 
 [dev-dependencies]
 tiny-keccak = "1.4"
+adder = { path = "../test-parachains/adder" }
 
 [features]
 default = ["std"]

polkadot/parachain/tests/adder.rs

@@ -60,7 +60,7 @@ impl Externalities for DummyExt {
 	}
 }
 
-const TEST_CODE: &[u8] = include_bytes!("res/adder.wasm");
+const TEST_CODE: &[u8] = adder::WASM_BINARY;
 
 fn hash_state(state: u64) -> [u8; 32] {
 	tiny_keccak::keccak256(state.encode().as_slice())