add a noSlashName property to generator template data

Use case

`generators/route/route.hbs.js`

```
var App = require('app');

App.{{#camelize}}{{noSlashName}}{{/camelize}}Route = Em.Route.extend({});
```
`generators/route/generator.json`
``` json
{
  "files": [
    {
      "from": "route.js.hbs",
      "to": "app/routes/{{name}}.js"
    }
  ],
  "dependencies": []
}
```

### cli

``` bash
brunch g route foo/bar/baz
```

### output

`app/routes/foo/bar/baz.js`

``` javascript
var App = require('app');

App.FooBarBazRoute = Em.Route.extend({});
```