Tweaks from template downstream review #80 (#705)

* tweaks from template downstream review #80

* more tweaks

* Update parachain-template/node/src/command.rs

* tweaks to template and other chainspecs

* fmt

* update more tweaks from downstream

* fix build

parachain-template/node/src/cli.rs

@@ -51,7 +51,7 @@ pub struct ExportGenesisStateCommand {
 	pub raw: bool,
 
 	/// The name of the chain for that the genesis state should be exported.
-	#[structopt(long, conflicts_with = "parachain-id")]
+	#[structopt(long)]
 	pub chain: Option<String>,
 }
 
@@ -84,9 +84,9 @@ pub struct Cli {
 	#[structopt(flatten)]
 	pub run: cumulus_client_cli::RunCmd,
 
-	/// Relaychain arguments
+	/// Relay chain arguments
 	#[structopt(raw = true)]
-	pub relaychain_args: Vec<String>,
+	pub relay_chain_args: Vec<String>,
 }
 
 #[derive(Debug)]