Added placeholder directories and files.

docs/user-guide/faq/faq.tex

+\chapter{Frequently Asked Questions}

docs/user-guide/formulation/formulation.tex

+\chapter{Mathematical Formulation}

docs/user-guide/installation/installation.tex

+\chapter{Installation}
+
+\section{Installing on Debian/Ubuntu Systems}
+
+\section{Installing of Redhat/Fedora Systems}
+
+\section{Installing from Source}
+

docs/user-guide/introduction/introduction.tex

+\chapter{Introduction}
+Welcome to the user guide for Nektar++\cite{nektar-website}.

docs/user-guide/solvers/solvers.tex

+\chapter{Solvers}
+
+\input{adr}
+\input{ape}
+\input{cardiac-ep}
+\input{compressible-flow}
+\input{incompressible-ns}
+\input{pulse-wave}
+\input{shallow-water}

docs/user-guide/user-guide.tex

@@ -29,6 +29,7 @@ openany, % A chapter may start on either a recto or verso page.
 % \usepackage{tikz} % Figures
 \usepackage{graphicx} % Include figures
 \usepackage{makeidx}
+\usepackage{import}
 
 %%% PAGE LAYOUT 
 %%%-----------------------------------------------------------------------------
@@ -285,29 +286,28 @@ Scientific Computing and Imaging Institute, University of Utah, USA}
 
 \clearpage
 
-\chapter{Introduction}
-Welcome to the user guide for Nektar++\cite{nektar-website}.
+\import{introduction/}{introduction}
 
 \mainmatter
 
-\chapter{Installation}
+\part{Getting Started}
 
-\section{Installing on Debian/Ubuntu Systems}
+\import{installation/}{installation}
 
-\section{Installing of Redhat/Fedora Systems}
+\import{formulation/}{formulation}
 
-\section{Installing from Source}
+\part{Applications and Utilities}
 
+\import{solvers/}{solvers}
 
-\chapter{Solvers}
+\import{utilities/}{utilities}
 
+\part{Reference}
+\import{xml/}{xml}
 
-\input{xml/xml}
+\import{command-line/}{command-line}
 
-
-\input{command-line/command-line}
-
-\chapter{Frequently Asked Questions}
+\import{faq/}{faq}
 
 
 %\appendix

docs/user-guide/utilities/utilities.tex

+\chapter{Utilities for Pre- and Post-Processing}
+
+\section{MeshConvert}
+
+\section{FieldConvert}
+
+\section{FldToVtk}
+
+\section{FldToTecplot}
+
+\section{XmlToVtk}
+
+\section{ProbeFld}