Explore more possibilities for rendering graphs in REFramework

[coavins]

There might be ways to draw different types of graphs depending on what's available in REFramework. Look through the drawing api and see if there are creative ways to take advantage of the available tools.

Here is an example of a pretty graph used in hunterpie:

[praydog]

This is what the plugin system that was added is for.

https://github.com/cursey/reframework-d2d
https://github.com/praydog/REFramework/tree/master/example_plugin