Lint fixes and ignore

Author: ryandberger

.eslintignore

@@ -1,3 +1,5 @@
 # Ignore app templates from CI linting of stripes-cli due to template syntax
 # Run lint-templates to lint the app templates separately
 resources/**/*
+/artifacts
+/node_modules

test/commands/create-app.spec.js

@@ -13,7 +13,7 @@ describe('The app create command', function () {
     this.sandbox.stub(fs, 'writeFileSync');
     this.sandbox.stub(fs, 'removeSync');
     this.sandbox.stub(fs, 'readdirSync').returns(['__appName__', '__appDescription__']);
-    this.sandbox.stub(fs, 'statSync').returns({isDirectory: function() {return false;}});
+    this.sandbox.stub(fs, 'statSync').returns({ isDirectory() { return false; } });
     this.sandbox.stub(simpleGit.prototype, '_run').callsFake(function (command, cb) {
       console.log('called command', command);