\documentclass{article}
\usepackage[affil-it]{authblk}
\usepackage{graphicx}
\usepackage[space]{grffile}
\usepackage{latexsym}
\usepackage{textcomp}
\usepackage{longtable}
\usepackage{tabulary}
\usepackage{booktabs,array,multirow}
\usepackage{amsfonts,amsmath,amssymb}
\providecommand\citet{\cite}
\providecommand\citep{\cite}
\providecommand\citealt{\cite}
% You can conditionalize code for latexml or normal latex using this.
\newif\iflatexml\latexmlfalse
\AtBeginDocument{\DeclareGraphicsExtensions{.pdf,.PDF,.eps,.EPS,.png,.PNG,.tif,.TIF,.jpg,.JPG,.jpeg,.JPEG}}

\usepackage[utf8]{inputenc}
\usepackage[english]{babel}

\newcommand{\Title}{Authorea - GitHub test document}
\newcommand{\AuthorName}{Joshua Ryan Smith}
\newcommand{\AuthorEmail}{joshua.r.smith@gmail.com}

\usepackage[pdftex,colorlinks=true,hidelinks]{hyperref}
\hypersetup{
pdftitle={\Title},
pdfauthor={\AuthorName (\AuthorEmail)},
pdfsubject={},
pdfkeywords={},
pdfcreator={pdfTeX}
}



\begin{document}

\title{\Title}


\author{Joshua Ryan Smith}
\affil{Affiliation not available}



\date{\today}

\maketitle

\selectlanguage{english}
\begin{abstract}
This document is the example of how to integrate Authorea with a LaTeX
manuscript hosted in an existing GitHub repository.%
\end{abstract}%



\section{Introduction}
Authorea and GitHub promise to make collaborating on manuscripts easier while retaining all of the power of git.


Note that I'm leaving out the bibliography.

\selectlanguage{english}
\FloatBarrier
\end{document}

