merge configs into app config, reintroduce config loader.
Convert everything other than assets to app config

We're using Laravel's config resolving classes:

```PHP
$config = $app->make('config');
$config->get('app.version'); // '5.7.0b2'
```
Moving assets to the app.php file
Added some functionality for asset groups, and moved all the asset groups into the app file
misspelling FTL :(
merge configs into app config, reintroduce config loader.
Convert everything other than assets to app config

We're using Laravel's config resolving classes:

```PHP
$config = $app->make('config');
$config->get('app.version'); // '5.7.0b2'
```
Make install work, add database configuration file.
Add everything within config to ignore.
Better initial installation configuration
merge configs into app config, reintroduce config loader.
Moving assets to the app.php file
Added some functionality for asset groups, and moved all the asset groups into the app file
merge configs into app config, reintroduce config loader.
Convert everything other than assets to app config

We're using Laravel's config resolving classes:

```PHP
$config = $app->make('config');
$config->get('app.version'); // '5.7.0b2'
```
Ignore config files
remove unused install directory
update config branch to match master
Merge branch 'master' into config
update config branch to match master