Worked on the introduction page and added a section on document classes and document class options in the document structure page.`
Quick update
Merge branch 'latexbranch' of https://github.com/UTAustinSPS/runestone

Conflicts:
	static/data_analysis/doctrees/LaTeX/latex.doctree
	static/data_analysis/doctrees/Math/misc.doctree
	static/data_analysis/doctrees/Mathematica/mathematica.doctree
	static/data_analysis/doctrees/Mathematica/structure.doctree
	static/data_analysis/doctrees/environment.pickle
	static/data_analysis/searchindex.js