Allow view options override on handler object

[jas]

This pull request allows view options to be overridden in the handler object for a particular response. Previously, the reply.view method had to be used.

This is useful for specifying a different layout template for a particular route.

{
  method: 'GET',
  path: '/',
  handler: {
    view: {
      template: 'homepage',
      options: {
        layout: 'specialLayoutForHomepage'
      }
    }
  }
}

Another use case is setting custom runtimeOptions for a particular route. Example:

var homepageViewOptions = {
  runtimeOptions: {
    // Handlebars allows helpers to be passed to the function returned from "compile"
    helpers: {
      uppercase: function(context) {
        return context.toUpperCase();
      }
    }
  }
};

...

{
  method: 'GET',
  path: '/',
  handler: {
    view: {
      template: 'homepage',
      options: homepageViewOptions
    }
  }
}

[hueniverse]

Can you edit the issue description to add some context on what you are trying to do and how this fixes it?

[jas]

Sure thing; updated. I also added the options object to the Reference doc.

[jmonster]

That got merged fast, thank you both!

[lock]

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