New Files

Adds some missing files.

 On branch master

 Changes to be committed:
	new file:   .gitignore
	new file:   bibliography/helios.bib
	new file:   bibliography/ourIEEEtran.bst
	new file:   chapters/final.tex
	new file:   chapters/oldrig.tex
	new file:   chapters/preface.tex
	new file:   chapters/workshop.tex