Updates substrate to latest master (#107)

* Updates substrate to latest master

* Use slot_duration and not slot

* Update to latest substrate master again to have latest CLI

* Rename iherent indentifier

* Update after master merge

polkadot/runtime/wasm/src

@@ -1 +0,0 @@
-../src

polkadot/runtime/wasm/src/lib.rs

@@ -0,0 +1,22 @@
+// Copyright 2019 Parity Technologies (UK) Ltd.
+// This file is part of Polkadot.
+
+// Substrate is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Substrate is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
+
+//! The Polkadot runtime reexported for WebAssembly compile.
+
+#![cfg_attr(not(feature = "std"), no_std)]
+
+extern crate polkadot_runtime;
+pub use polkadot_runtime::*;