Remove auxiliary latex files
Restructuring the files

Added a .gitignore file
Added a LICENSE file
Added a README file
Added a preamble file
Added Graeme’s Python Guide
Added a clean.sh script to delete all auxiliary LaTeX files
Renamed oq-manual.tex => rmtk-docs.tex
Config files

Moved configuration.tex and structure.tex to separate folder
New template and splitting of tex into sections

Updated the template to match the new OQ Hazard Book, HMTK docs and the
new OQ Engine manual.
Split the text into smaller sized tex files.
Merge pull request #1 from raoanirudh/master

New template and restructuring