fix svelte-cli references

src/cli/index.ts

@@ -1,7 +1,7 @@
 import sade from 'sade';
 import * as pkg from '../../package.json';
 
-const prog = sade('svelte-cli').version(pkg.version);
+const prog = sade('svelte').version(pkg.version);
 
 prog
 	.command('compile <input>')

test/cli/index.js

@@ -15,7 +15,7 @@ function normalize(str) {
 
 const cwd = process.cwd();
 
-describe('svelte-cli', () => {
+describe('cli', () => {
 	afterEach(() => {
 		process.chdir(cwd);
 	});