Access to next and previous post in metadata

[viniciusdacal]

@UltCombo @jaydson
Would be nice if we could access some metadata about next and previous post from the current post.
That would be usefull to make previous and next links, as we can see here
http://www.viniciusdacal.com/pt/iniciante/2015/01/29/o-basico-do-basico-do-git-e-do-github.html
What do yout think guys?

[jaydson]

Yep, that's sounds like a good idea.
But, I don't know exactly where to put those informations.
Perhaps we can focus on improve the issue #5 and have a full solution for pagination.

[UltCombo]

Exposing a next/prev link on the post template (and perhaps the page template now that we're merging their generation code) sounds good to me.

I'm just not sure how complex it would be to implement. Right now, we generate posts in parallel and sort their metadata after all posts are generated.

I believe this would require reading all posts' metadata, normalizing and sorting them before starting to render the templates.