Port of ember rfc176 compliant imports from atom-ember-snippets and liveTemplates for ember-decorators

1. Open the Settings/Preferences dialog (OSX/Unix: ⌘,, Windows: Ctrl+Alt+S)
2. In the left-hand pane, select Plugins.
3. Click Browse repositories... and search for Ember Snippets
4. Click Install plugin and confirm your intention to download and install the plugin.
5. Click OK in the Settings dialog and restart.