new file:   2014-11-19-tikz-to-pdf-script.md
	new file:   ../img/Cylinder.pgf
	new file:   ../img/Cylinder.png
	new file:   ../img/Torus.pgf
	new file:   ../img/Torus.png
	new file:   ../img/persistence1d.pgf
	new file:   ../img/persistence1d.png
	new file:   ../img/pgf2pdf.sh