Make node-template in sync with node. (#3422)

* Make node-template in sync with node.

* Update service.rs

* Updated babe constants.

* Added SignedExtra for CheckVersion in node-template and subkey.

* Added CheckVersion SignedExtra for node.

* Fixed tests.

* Try fix integration test.

* Attempt 2 at fixing integration test.

* Update node-template/runtime/src/lib.rs

substrate/node/runtime/src/lib.rs

@@ -463,6 +463,7 @@ pub type SignedBlock = generic::SignedBlock<Block>;
 pub type BlockId = generic::BlockId<Block>;
 /// The SignedExtension to the basic transaction logic.
 pub type SignedExtra = (
+	system::CheckVersion<Runtime>,
 	system::CheckGenesis<Runtime>,
 	system::CheckEra<Runtime>,
 	system::CheckNonce<Runtime>,