Major Description
We should document and check for the graphviz dependency that doxygen has. Without it, I get lots of errors that look like this while running make doxygen:
error: problems opening map file /home/mpercy/src/kudu/build/release/docs/doxygen/client_api/html/inherit_graph_12.map for inclusion in the docs! If you installed Graphviz/dot after a previous failing run, try deleting the output directory and rerun doxygen. error: problems opening map file /home/mpercy/src/kudu/build/release/docs/doxygen/client_api/html/inherit_graph_13.map for inclusion in the docs! If you installed Graphviz/dot after a previous failing run, try deleting the output directory and rerun doxygen.