Clarify that you need graphviz in the README

monora / rgl

RGL is a framework for graph data structures and algorithms in Ruby.

https://monora.github.io/rgl/

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Clarify that you need graphviz in the README #33

Closed hahcho closed 8 years ago

hahcho commented 8 years ago

I was a bit confused at first when using the gem. The first example did not generate a jpeg file for me and it took me some time to figure that out, so I added a small clarification in the README.

monora commented 8 years ago

Thank you for your contribution.