Multiple authors not correctly rendered

[milancurcic]

If there are more then 2 authors, we get something like this:

First Author and Second Author and Third Author and Fourth Author

instead of

First Author, Second Author, Third Author, and Fourth Author

I believe this should be somehow fixed at this line in the template.tex:

\author{$for(author)$$author$$sep$ and $endfor$}

But it may need a bit smarter logic. I'm a very basic LaTeX user and am not very familiar with its programming elements.

[everythingfunctional]

I thought LaTeX was supposed to deal with that already. If it's not, then yeah we need some better logic there. It's a mix of pandoc's templating engine and LaTeX, so it'll take looking at documentation for both.