Update blueprint to use octane config (#568)

Update blueprint to use `octane` config

Author: Robert Jackson

blueprints/ember-cli-template-lint/recommended-files/.template-lintrc.js

@@ -2,5 +2,5 @@
 'use strict';
 
 module.exports = {
-  extends: 'recommended'
+  extends: 'octane'
 };

blueprints/ember-cli-template-lint/recommended-with-bare-strings-files/.template-lintrc.js

@@ -2,7 +2,7 @@
 'use strict';
 
 module.exports = {
-  extends: 'recommended',
+  extends: 'octane'
 
   rules: {
     'no-bare-strings': true

node-tests/blueprints/ember-cli-template-lint-test.js

@@ -28,7 +28,7 @@ describe('Acceptance: ember generate and destroy ember-cli-template-lint', funct
     yield emberNew();
     yield emberGenerate(args);
 
-    expect(file('.template-lintrc.js')).to.contain('extends: \'recommended\'');
+    expect(file('.template-lintrc.js')).to.contain('extends: \'octane\'');
   }));
 
   it('ember-cli-template-lint with localization framework', co.wrap(function *() {
@@ -38,7 +38,7 @@ describe('Acceptance: ember generate and destroy ember-cli-template-lint', funct
     yield emberNew();
     yield emberGenerate(args);
 
-    expect(file('.template-lintrc.js')).to.contain('extends: \'recommended\'');
+    expect(file('.template-lintrc.js')).to.contain('extends: \'octane\'');
     expect(file('.template-lintrc.js')).to.contain('\'no-bare-strings\': true');
   }));
 });