plugin:plugin for plotting/drawing mathematical equations
Update layer for selected entities when a layer is selected.
Merge pull request #446 from dxli/dli

Dli: new feature: circle by radius and 2 points on circle
Merge pull request #426 from smallfix/plotplugin

plugin:plugin for plotting/drawing mathematical equations
Merge pull request #440 from ajisaacs/master

Update layer for selected entities when a layer is selected.