Fix a typo.
Remove a subsection.
Shorten and rename SoCG 2009 section.
Clean up SODA 2011 section.
Clean up SODA 2012 section.
Add journal version of Chambers-Eppstein.
Cite minor-closed family results.
Make the orientable assumption explicit.
Rephrase greedy system of arcs hint.
Clarify wobble NOTE.
Shorten conclusion.