Merge pull request #204 from ember-learn/v3-5

Release version 3.5

Author: sivakumar-kailasam

guides/v3.5.0/addons-and-dependencies/managing-dependencies.md

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+As you're developing your Ember app, you'll likely run into common scenarios that aren't addressed by Ember itself,
+such as authentication or using SASS for your stylesheets.
+Ember CLI provides a common format called [Ember Addons](#toc_addons) for distributing reusable libraries
+to solve these problems.
+Additionally, you may want to make use of front-end dependencies like a CSS framework
+or a JavaScript datepicker that aren't specific to Ember apps.
+
+## Addons
+
+Ember Addons can be installed using [Ember CLI](http://ember-cli.com/extending/#developing-addons-and-blueprints)
+(e.g. `ember install ember-cli-sass`).
+Addons may bring in other dependencies by modifying your project's `package.json` file automatically.
+
+You can find listings of addons on [Ember Observer](http://emberobserver.com).
+
+## Regular npm packages
+
+While dependencies can be managed in several ways, 
+it's worth noting that the process can be greatly simplified for new developers by using ember-auto-import, 
+which offers zero config imports from npm packages. 
+It's easily installed using `ember install ember-auto-import`. 
+For further usage instructions, please follow the [project README](https://github.com/ef4/ember-auto-import).
+
+## Other assets
+
+Third-party JavaScript not available as an addon or npm package should be placed in the `vendor/` folder in your project.
+
+Your own assets (such as `robots.txt`, `favicon`, custom fonts, etc) should be placed in the `public/` folder in your project.
+
+## Compiling Assets
+
+When you're using dependencies that are not included in an addon,
+you will have to instruct Ember CLI to include your assets in the build.
+This is done using the asset manifest file `ember-cli-build.js`.
+You should only try to import assets located in the `node_modules` and `vendor` folders. `bower_components` also still
+works, but is recommended against, unless you have no other choice. Even bower recommends not to use itself anymore.
+
+### Globals provided by JavaScript assets
+
+The globals provided by some assets (like `moment` in the below example) can be used in your application
+without the need to `import` them.
+Provide the asset path as the first and only argument.
+
+```javascript {data-filename=ember-cli-build.js}
+app.import('node_modules/moment/moment.js');
+```
+
+You will need to add `"moment"` to the `globals` section in `.eslintrc.js` to prevent ESLint errors
+about using an undefined variable.
+
+### Anonymous AMD JavaScript modules
+
+You can transform an anonymous AMD module to a named one by using the `amd` transformation.
+
+```javascript {data-filename=ember-cli-build.js}
+app.import('node_modules/moment/moment.js', {
+  using: [
+    { transformation: 'amd', as: 'moment' }
+  ]
+});
+```
+
+This transformation allows you to `import` moment in your app. (e.g. `import moment from 'moment';`)
+
+### CommonJS JavaScript modules
+
+[ember-cli-cjs-transform](https://github.com/rwjblue/ember-cli-cjs-transform) allows us to import CommonJS modules into
+our Ember app. It also does auto-rollup and some nice caching, so it should pull in all the deps that are pulled in
+with `require` for you automatically. It is not yet included with ember-cli by default, so you will need to install it.
+
+```bash
+ember install ember-cli-cjs-transform
+```
+
+```javascript {data-filename=ember-cli-build.js}
+app.import('node_modules/showdown/dist/showdown.js', {
+  using: [
+    { transformation: 'cjs', as: 'showdown' }
+  ]
+});
+```
+
+You can now `import` them in your app. (e.g. `import showdown from 'showdown';`)
+
+### Environment-Specific Assets
+
+If you need to use different assets in different environments, specify an object as the first parameter.
+That object's key should be the environment name, and the value should be the asset to use in that environment.
+
+```javascript {data-filename=ember-cli-build.js}
+app.import({
+  development: 'node_modules/moment/moment.js',
+  production:  'node_modules/moment/min/moment.min.js'
+});
+```
+
+If you need to import an asset in only one environment you can wrap `app.import` in an `if` statement.
+For assets needed during testing, you should also use the `{type: 'test'}` option to make sure they
+are available in test mode.
+
+```javascript {data-filename=ember-cli-build.js}
+if (app.env === 'development') {
+  // Only import when in development mode
+  app.import('vendor/ember-renderspeed/ember-renderspeed.js');
+}
+if (app.env === 'test') {
+  // Only import in test mode and place in test-support.js
+  app.import('node_modules/sinonjs/sinon.js', { type: 'test' });
+  app.import('node_modules/sinon-qunit/lib/sinon-qunit.js', { type: 'test' });
+}
+```
+
+### CSS
+
+Provide the asset path as the first argument:
+
+```javascript {data-filename=ember-cli-build.js}
+app.import('node_modules/foundation/css/foundation.css');
+```
+
+All style assets added this way will be concatenated and output as `/assets/vendor.css`.
+
+### Other Assets
+
+All assets located in the `public/` folder will be copied as is to the final output directory, `dist/`.
+
+For example, a `favicon` located at `public/images/favicon.ico` will be copied to `dist/images/favicon.ico`.
+
+All third-party assets, included either manually in `vendor/` or via a package manager like npm, must be added via `import()`.
+
+Third-party assets that are not added via `import()` will not be present in the final build.
+
+By default, `import`ed assets will be copied to `dist/` as they are, with the existing directory structure maintained.
+
+```javascript {data-filename=ember-cli-build.js}
+app.import('node_modules/font-awesome/fonts/fontawesome-webfont.ttf');
+```
+
+This example would create the font file in `dist/font-awesome/fonts/fontawesome-webfont.ttf`.
+
+You can also optionally tell `import()` to place the file at a different path.
+The following example will copy the file to `dist/assets/fontawesome-webfont.ttf`.
+
+```javascript {data-filename=ember-cli-build.js}
+app.import('node_modules/font-awesome/fonts/fontawesome-webfont.ttf', {
+  destDir: 'assets'
+});
+```
+
+If you need to load certain dependencies before others,
+you can set the `prepend` property equal to `true` on the second argument of `import()`.
+This will prepend the dependency to the vendor file instead of appending it, which is the default behavior.
+
+```javascript {data-filename=ember-cli-build.js}
+app.import('node_modules/es5-shim/es5-shim.js', {
+  type: 'vendor',
+  prepend: true
+});
+```

guides/v3.5.0/applications/applications-and-instances.md

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+Every Ember application is represented by a class that extends [`Application`](https://emberjs.com/api/ember/release/classes/Application).
+This class is used to declare and configure the many objects that make up your app.
+
+As your application boots,
+it creates an [`ApplicationInstance`](https://emberjs.com/api/ember/release/classes/ApplicationInstance) that is used to manage its stateful aspects.
+This instance acts as the "owner" of objects instantiated for your app.
+
+Essentially, the `Application` *defines your application*
+while the `ApplicationInstance` *manages its state*.
+
+This separation of concerns not only clarifies the architecture of your app,
+it can also improve its efficiency.
+This is particularly true when your app needs to be booted repeatedly during testing
+and / or server-rendering (e.g. via [FastBoot](https://github.com/tildeio/ember-cli-fastboot)).
+The configuration of a single `Application` can be done once
+and shared among multiple stateful `ApplicationInstance` instances.
+These instances can be discarded once they're no longer needed
+(e.g. when a test has run or FastBoot request has finished).