Convert all UK spelling to US (#2138)

* all the ise

* forgot a misspelling

* a few more replacements

* bump impl

* rollback and fixes

* bump impl again

* Add aliases for RPC

* Update on_demand.rs

substrate/node-template/init.sh

@@ -2,7 +2,7 @@
 
 set -e
 
-echo "*** Initialising WASM build environment"
+echo "*** Initializing WASM build environment"
 
 if [ -z $CI_PROJECT_NAME ] ; then
    rustup update nightly

substrate/node-template/runtime/src/lib.rs

@@ -242,8 +242,8 @@ impl_runtime_apis! {
 			Executive::execute_block(block)
 		}
 
-		fn initialise_block(header: &<Block as BlockT>::Header) {
-			Executive::initialise_block(header)
+		fn initialize_block(header: &<Block as BlockT>::Header) {
+			Executive::initialize_block(header)
 		}
 	}
 
@@ -258,8 +258,8 @@ impl_runtime_apis! {
 			Executive::apply_extrinsic(extrinsic)
 		}
 
-		fn finalise_block() -> <Block as BlockT>::Header {
-			Executive::finalise_block()
+		fn finalize_block() -> <Block as BlockT>::Header {
+			Executive::finalize_block()
 		}
 
 		fn inherent_extrinsics(data: InherentData) -> Vec<<Block as BlockT>::Extrinsic> {

substrate/node-template/src/chain_spec.rs

@@ -10,7 +10,7 @@ use ed25519::Public as AuthorityId;
 // Note this is the URL for the telemetry server
 //const STAGING_TELEMETRY_URL: &str = "wss://telemetry.polkadot.io/submit/";
 
-/// Specialised `ChainSpec`. This is a specialisation of the general Substrate ChainSpec type.
+/// Specialized `ChainSpec`. This is a specialization of the general Substrate ChainSpec type.
 pub type ChainSpec = substrate_service::ChainSpec<GenesisConfig>;
 
 /// The chain specification option. This is expected to come in from the CLI and