Update main.tex

[Cobber57]

Adds Various packages I found useful when creating my Phd thesis.

%Paul McCherry Changes
% Produce landscape pages in a (mainly) portrait document.
\usepackage{lscape}
% usage
% \begin{landscape}
% \end{landscape}
% Create easily seeable TODO Notes
\usepackage[colorinlistoftodos,prependcaption,textsize=tiny]{todonotes}
% Usage
%\todo[inline]{text here}
%create tabular tables
\usepackage{tabularx}

% automatically changes all starting quotes ie " to `` however does not change single quotes so you will need to change them manually ie ' to `
\usepackage{quotes}

% Use formulas
\usepackage{amsmath}
%Usage
%\begin{equation}

\usepackage{longtable}
%Usage
%\begin{longtable}{| p{.20\textwidth} | p{.80\textwidth} |}
%
%
% Add a new Column type
\newcolumntype{L}{>{\raggedright\arraybackslash}X}
\usepackage{setspace}